El hilo de las imágenes increíbles

U.S. Navy safety swimmers stand on the deck of the Virginia class submarine USS New Hampshire after it surfaced through thin ice during exercises underneath ice in the Arctic Ocean north of Prudhoe Bay, Alaska March 19, 2011. REUTERS/Lucas Jackson

Seven laser beams, matching the colours of the stripes on the Utrecht University flag, are projected on the Dom Tower from a building in the university three kilometers (1.86 miles) away, in Utrecht March 22, 2011. The laser show, which runs from March 21 to 27, is part of the 375th anniversary celebrations of the university. REUTERS/Michael Kooren

Dancers attend the traditional Opera Ball in Vienna March 3, 2011. REUTERS/Lisi Niesner

Researchers dressed in panda costumes put a panda cub into a basket before transferring it to a new living environment at the Hetaoping Research and Conservation Center for the Giant Panda in Wolong National Nature Reserve, Sichuan province February 20, 2011. Researchers wear panda costumes to ensure that the cub's environment is devoid of human influence, according to local media. REUTERS/China Daily

A hawk attacks a rabbit during an annual traditional hunting competition near the village of Uzynagash outside Almaty, February 12, 2011. Kazakhstan's national sport of Sayat - or hunting with birds of prey - is popular in the Central Asian state. REUTERS/Shamil Zhumatov

A veiled Muslim protester wears sunglasses as she chants anti-government slogans during mass demonstrations against Egypt's President Hosni Mubarak in Alexandria February 4, 2011. REUTERS/Dylan Martinez

People apply coloured powder to a woman's face as they celebrate Holi, also known as the festival of colours, in Ahmedabad March 19, 2011. The traditional event heralds the beginning of spring and is celebrated all over India. REUTERS/Amit Dave

A reveller of the Portela samba school participates in the annual Carnival parade in Rio de Janeiro's Sambadrome March 6, 2011. REUTERS/Sergio Moraes

An owner waits with his dog, painted with spots, before a traditional dog fighting competition in Kabul February 18, 2011. REUTERS/Omar Sobhani

Friar Anthony rollerblades in downtown Rome February 24, 2011. REUTERS/Max Rossi

Drag queens tussle as they run on Sydney's iconic Bondi Beach during the Gay and Lesbian Mardi Gras drag race March 4, 2011. REUTERS/Tim Wimborne

Karima Delli, a French member of the Group of the Greens/European Free Alliance, is disguised as a man to mark International Women's Day as she takes part in a voting session at the European Parliament in Strasbourg, March 8, 2011. REUTERS/Vincent Kessler

Somali camel herder Ali Abdullahi Hassan, 40, holds three Bactrian camels after taking them for a ride near the rural town of Gyttorp March 3, 2011. Hassan emigrated to Sweden in 2007 and had been working at odd jobs until a relative told him of a local couple who needed help tending to their pet camels. Now Hassan takes care of the three animals, Kalle, Anna and their son Karlsson, training them to carry riders and singing songs to them in Arabic. Picture taken March 3, 2011. REUTERS/Bob Strong

Lu Zhihao, 4, kicks a ball at a basketball court in Foshan, Guangdong province March 28, 2011. Lu, who is 1.1m tall and weighs 62 kg, put on weight dramatically since his appetite grew when he was 3 months old. His worried parents took him to several hospitals, but the reason for his obesity remains unknown, though it is possibly due to his dietary habit, according to local media. Picture taken March 28, 2011. REUTERS/Joe Tan

A radiation check-up worker uses a urinal at a toilet of an evacuation center in Koriyama, Fukushima Prefecture, northern Japan, April 1, 2011, located about 70 km (44 miles) from the earthquake and tsunami-crippled nuclear reactor. REUTERS/Kim Kyung-Hoon

Villagers stand next to trees covered in spider webs in the flood affected areas of K.N. Shah, located near Dadu in Pakistan's Sindh province, December 7, 2010. The cocooned trees have been a side-effect of spiders escaping flood waters in the area. Although people in this part of Sindh have never witnessed this phenomenon, they report there are now less mosquitoes, thus reducing the risk of malaria. Picture taken December 7, 2010. REUTERS/Department for International Development/Russell Watkins

Souvenir teabags with depictions of Britain's Prince William and Kate Middleton are seen in London April 7, 2011. A British minister said on
Wednesday that two billion people were expected to tune in to TV broadcasts to watch this month's royal wedding between Prince William and Kate Middleton on April 29. REUTERS/Suzanne Plunkett

A boy washes soap off while taking a bath next to shacks in Moita, near Lisbon April 8, 2011. REUTERS/Rafael Marchante

A Palestinian beekeeper holds a a smoker used to calm bees in order to collect honey at a farm in Rafah in the southern Gaza Strip May 3, 2011. REUTERS/Ibraheem Abu Mustafa

Simone Arrigoni of Italy attempts to set an apnea diving record, pushed by two dolphins named Paco and Marco, in Torvaianica near Rome May 19, 2011. Arrigoni completed 13 loops in 1 minute and 53 seconds to set a new record. REUTERS/Alessandro Bianchi

Labourers work at the construction site of a commercial complex in the eastern Indian city of Bhubaneswar May 19, 2011. The infrastructure sector accounts for just over a quarter of India's industrial output. REUTERS/Stringer

Karren, part of the Pujie Girls, poses for a photograph while demonstrating planking during an interview with Reuters outside Taiwan's National Theatre in Taipei May 25, 2011. Lying face flat on the ground may not be the world's most glamourous photo pose but two Taiwanese planking women have made a name for themselves on the Internet -- and hope to use the craze to spread positive social messages. Calling themselves the Pujie Girls which literally translates to falling on the street in Mandarin, the pair are Taiwan's most well-known plankers, with almost 100,000 fans following them on Facebook. To match Reuters Life! story TAIWAN-PLANKING/ REUTERS/Nicky Loh

Young Bavarian farmer woman Julia poses during a photo shoot for a calendar of German and Austrian farmer's wives in Kadeltshofen near Munich June 26, 2011. 'The German Girls edition 2012' is a homage to all young farmer's wives in Germany and Austria working in the agricultural industry. REUTERS/Michael Dalder

Brown bear (Ursus arctos) cub Medo plays with the Logar family dog in Podvrh village, central Slovenia June 1, 2011. The Slovenian Logar family has adopted the three-and-half-month-old bear cub that strolled into their yard about 30 days ago. Although the family would like to prepare a fenced enclosure for it, veterinary authorities would prefer to move it into a shelter for wild animals. REUTERS/Srdjan Zivulovic

A priest uses a book to shield himself from the sun as Pope Benedict XVI leads a solemn mass in Zagreb June 5, 2011. The Pope is on a two-day visit to Croatia. REUTERS/Alessandro Bianchi

Competitors ride with their bikes in a cable car to the start of the Downhill at the Mountain Bike World Cup in Fort William, Scotland, June 5, 2011. REUTERS/Russell Cheyne

Veterinary doctors take the blood of a tranquilized female Przewalski's horse for tests, at a farm at the village of Dolni Dobrejov near the city of Tabor June 14, 2011, before it is transported to the military airport in Prague for its eventual return to Mongolia. Prague zoo will transport four Przewalski's horses, a stallion and three mares, to Mongolia's Khovd province to return them to their native environment. Przewalski's Horse or the Dzungian Horse - is one of the last wild horses in the world. REUTERS/Petr Josek

A dog barks at a formation of riot police near the Greek parliament in Athens, June 15, 2011. Tens of thousands of grassroot activists and unionists converged on Athens' central Syntagma (Constitution) Square Wednesday as Prime Minister George Papandreou prepared to push through a new five-year campaign of tax hikes, spending cuts and selloffs of state property to continue receiving aid from the European Union and International Monetary Fund and avoid default. REUTERS/Pascal Rossignol

Children dressed up as smurfs take part in a promotional event in the Andalusian village of Juzcar, near Malaga, southern Spain, June 16, 2011. The facades of the houses were painted blue as part of a global promotion for the Sony Picture film The Smurfs which will premiere in New York City June 24, 2011. REUTERS/Jon Nazca

Holocaust survivor Betty Stein, 92, plays ping pong at a program for people with Alzheimer's and dementia at the Arthur Gilbert table tennis center in Los Angeles, California June 15, 2011. Founder Mikhail Zaretsksky says the sport does not cure, or even slow down the disease, but helps the 100 participants by raising their heart rate and the blood flow to their brains, and exercising them mentally as well as physically. He says it helps their depression, improves their balance, and makes them more alert. Picture taken June 15. REUTERS/Lucy Nicholson

Pedestrians take photographs of cyclists during the World Naked Bike Ride in Brussels June 18, 2011. This annual manifestation is performed to demand more respect for cyclists on the streets and to promote the bike as an alternative non-polluting transportation vehicle. REUTERS/Francois Lenoir

A Soviet WW II tank painted pink is loaded on a boat to be transported in Prague's city center, June 20, 2011. Original Soviet Army tank Nr. 23 was on display in Prague from the war until visual artist David Cerny painted it pink with friends in April 1991. The Czech Republic is commemorating the 20th anniversary of the departure of Soviet troops which invaded Czechoslovakia in 1968, and the tank was brought back to Prague from a military museum for a week for the occasion. REUTERS/Petr Josek

An Afghan girl takes part in a skate boarding competition to mark the third annual Go Skateboarding Day in Kabul June 21, 2011. REUTERS/Mohammad Ismail

An Emperor Penguin stands on a beach on Kapiti coast June 20, 2011. The bird's arrival, the second ever recorded according to New Zealand's Department of Conservation, has caught the public's attention as Emperor Penguins usually live in Antarctica, more than 3,000 Km (1,864 miles) away. Picture taken June 20. REUTERS/New Zealand Government-Department of Conservation/Handout

Jeans are seen in Dadun village in Zengcheng near the southern Chinese city of Guangzhou June 20, 2011, one week after militia fired tear gas in this factory town to quell rioting over the abuse of a pregnant street hawker who became a symbol of simmering grassroots discontent. Picture taken June 20, 2011. REUTERS/Bobby Yip

Contestants stand on the stage after the annual race on high heels during Gay Pride celebrations in the quarter of Chueca in Madrid June 30, 2011. The winner of the race receives a prize of 1000 euros. REUTERS/Susana Vera

Residents lie on railway tracks in Rawa Buaya in Indonesia's West Java province July 13, 2011. The residents believe that the electrical energy from the tracks will cure them of various illnesses. REUTERS/Enny Nuraheni

A boy swims in the algae-filled coastline of Qingdao, Shandong province July 15, 2011. Picture taken July 15, 2011. REUTERS/China Daily

A coach holding a broom tries to prevent a boy from holding onto the edge of the pool as he learns swimming during a diving training session at a training centre in Beijing July 27, 2011. Some 15 children, aged 5 to 12 are training at the centre of China's State Physical Training Administration as amateur divers during their summer vacation. REUTERS/Jason Lee

Russian sailors take part in an evacuation drill to celebrate Navy day in the Crimean port of Sevastopol July 31, 2011. Sevastopol is headquater to the Russian Black Sea Fleet. REUTERS/Stringer

A devotee covered in motor oil takes a rest in the celebrations honouring the patron saint of Managua, Santo Domingo de Guzman, in Managua August 1, 2011. REUTERS/Oswaldo Rivas

Boats gather around a sculpture of a mermaid at the 'Alster' lake in Hamburg August 3, 2011. The four-meter-high sculpture made by Oliver Voss will be in place until August 12. REUTERS/Morris Mac Matzen

Zoo owner and artist Aleksandr Pylyshenko sits inside a cage with female African lion Katya at a private zoo situated in his yard in the city of Vasilyevka, southeastern Ukraine August 3, 2011. Pylyshenko decided to spend five weeks in a cage with a pair of African lions, Katya and Samson, to get money for improving the lions' living conditions, according to local media. He is broadcasting it on internet to attract the public's attention to plight of wild animals in private Ukrainian zoos, which do not get enough fundings. REUTERS/Gleb Garanich

A sunflower field is seen in stormy weather near Donzere, southern France, August 5, 2011. REUTERS/Pascal Rossignol

Saimaiti Aishan, a 27-year-old Uighur acrobat of tightrope walking, hangs on a 15-metre-long tightrope connected between two hot air balloons as he fails in an attempt for setting a 100 metre height record in Langshan, Hunan province August 6, 2011. Aishan, the nephew of Adili Wuxor, who is known as Prince of the Tightrope, is the first person to perform tightrope walking between two hot air balloons. He set a national tightrope walking record at 30 metres high on Saturday, but failed in his attempt of 100 metres, local media reported. Picture taken August 6, 2011. REUTERS/China Daily

A dog catches a frisbee during the Russian dog frisbee championship in Moscow August 7, 2011. Dogs and their owners took part in a variety of distance and accuracy competitions during the championship to test their frisbee skills. REUTERS/Sergei Karpukhin

Army servicemen sit on the ground as they watch a woman walk past, while waiting for instructions, during a rally near the parliament headquarters in Bishkek August 15, 2011. April 7 party supporters gathered to protest against the decision of local authorities to transfer former Kyrgyz defence minister Baktybek Kalyev, who is on trial due to April 2010 revolt, from jail to house arrest for medical reasons, according to local media. REUTERS/Vladimir Pirogov

Zoo performer Theerapone Manolai smiles as he puts his head between the jaws of a crocodile during a performance for tourists at the Sriracha Tiger Zoo, about 120 km (74 miles) east of Bangkok August 16, 2011. Kanthida Jantanct and Theerapone, both 28, from the province of Chaiyaphum, who have been crocodile performers at the zoo for almost ten years, earn at least 30,000 Baht (1,000 USD) per month for performing shows for at least 2,000 tourists, three times a day, to support their family. REUTERS/Sukree Sukplang

Anti-riot police officers use coloured water to disperse opposition supporters in the Kireka area on the outskirts of Kampala, August 17, 2011. Ugandan police fired teargas and water cannon to disperse opposition supporters who had gathered in a Kampala suburb on Wednesday to mourn people killed during demonstrations earlier this year, witnesses said. REUTERS/James Akena

An Edmonton Eskimos' cheerleader flies through the air during the first half of their Labour Day classic CFL football game against the Calgary Stampeders in Calgary, Alberta, September 5, 2011. REUTERS/Todd Korol

People watch the Breitling Jet Team perform aerobatics over the Mediterranean Sea from a beach in Tel Aviv October 19, 2011. The team, flying seven L-39 Albatros jets, are the largest civilian aerobatic display team in Europe and are based in Dijon, France. REUTERS/Amir Cohen

Thousands of starlings flock above farmland near Eleftheroupolis in northern Greece January 3, 2011. REUTERS/Yannis Behrakis

Members of the Edo Firemanship Preservation Association perform atop bamboo ladders during a New Year demonstration by the fire brigade in Tokyo January 6, 2011. REUTERS/Yuriko Nakao

A man talks on his cell phone after taking part in the 10th Annual No Pants Subway Ride in New York City January 9, 2011. The event, organised by Improv Everywhere, involves participants who strip down to their underwear as they go about their normal routine. REUTERS/Jessica Rinaldi

Haitian soccer players of the Zaryen team (blue) and the national amputee team (white) greet the crowd before a friendly match in Port-au-Prince January 9, 2011. Haiti will this week mark the first anniversary of the earthquake that killed around 250,000 people and wrecked much of the capital Port-au-Prince on Jan 12, 2010. REUTERS/Kena Betancur

A man flies a kite made of 110 Tukkal or paper lanterns for the Hindu festival of Makar Sankranti, which marks the start of spring, in the western Indian city of Ahmedabad January 13, 2011. REUTERS/Amit Dave

A skier sits in a chairlift as Switzerland's Air Force national flight team Patrouille Suisse fly their Northrop F-5E Tiger aircraft during an air show in front of the Eiger and over the men's Alpine skiing World Cup downhill course at the Lauberhorn in Wengen January 13, 2011. Todays third downhill training was cancelled. REUTERS/Pascal Lauener

A crane eats a fish from a tub of fish at a wholesale market at a fish harbour in Mumbai January 14, 2011. REUTERS/Danish Siddiqui

Father Juan Villa blesses a dog outside Madrid's San Anton church January 17, 2011. Hundreds of pet owners bring their animals to be blessed every year on the day of San Anton, Spain's patron saint of animals. REUTERS/Andrea Comas

Zukhro, an employee of the city zoo, walks with Vadik, an 18-month-old male lion, on the territory of the zoo in the capital Dushanbe, January 20, 2011. Employees take the lion from its cage to have a promenade along the territory two times a week while holding a piece of meat to attract Vadik's attention so it walks nearby. REUTERS/Nozim Kalandarov

An opposition supporter with pieces of bread taped onto his head shouts slogans during an anti-government protest in Sanaa February 3, 2011. Tens of thousands of Yemenis squared off in street protests for and against the government on Thursday during an opposition-led Day of Rage, a day after President Ali Abdullah Saleh offered to step down in 2013. REUTERS/Khaled Abdullah