Editor's choice

A protester urinates in front of a row of policemen during riots following the death of a 15-year-old boy in San Carlos de Bariloche, Argentina, June 18, 2010. According to local media, provincial government officials have confirmed that four police officers, involved in the incident which left the boy dead during an alleged robbery, have been removed from their posts. Three people have died and at least 12 have been injured during the clashes. REUTERS/Alejandra Bartoliche

A fan waits for the start of a 2010 World Cup Group E soccer match between Cameroon and Denmark at Loftus Versfeld stadium in Pretoria June 19, 2010. REUTERS/Dylan Martinez

Oil is burned off the surface of the water near the source of the Deepwater Horizon spill in the Gulf of Mexico off the coast of Louisiana June 19, 2010. Propellers from the airplane are visible in the photo. REUTERS/Lee Celano

RadioShack's team rider Lance Armstrong cycles during the eighth stage of the Tour de Suisse from Wetzikon to Liestal June 19, 2010. REUTERS/Christian Hartmann

Australia's Richard Brown moves the ball out of the ruck during their rugby union test match against Australia in Sydney June 19, 2010. REUTERS/Tim Wimborne

Children are photographed while standing near a wind turbine power generator that produces energy, in a village at Hub about 25 km (15 miles) northwest of Karachi June 18, 2010. Pakistan this year expects to finalise four wind power deals worth $500 million, to exploit a renewable resource that has been barely tapped in a country with a yawning gap between power capacity and demand. REUTERS/Akhtar Soomro

An ornithologist holds a young stork in Kocs, 78 km (48 miles) west of Budapest, Hungary, June 19, 2010. Ornithologists from the Hungarian Institute of Ornithology count and tag storks in Hungary every year to keep track of the population. REUTERS/Laszlo Balogh

Australia's Nikita Rukavytsya collides with Ghana's goalkeeper Richard Kingson during a 2010 World Cup Group D soccer match at Royal Bafokeng stadium in Rustenburg June 19, 2010. REUTERS/Kim Kyung-Hoon

Cyclists demonstrate against pollution and to show their fragility in comparison with cars in front of the European Commission's Headquarters in Brussels June 19, 2010. The ride aimed to highlight what the organisers said were the dangers to cyclists, pedestrians and the environment posed by oil and other forms of non-renewable energy. REUTERS/Sebastien Pirlet

A gay couple kiss during a gay pride parade in Guadalajara, Mexico, June 19, 2010. REUTERS/Alejandro Acosta

A 100 yuan banknote is placed beside a U.S. 100 dollar banknote in this illustrative photograph taken in Taipei June 20, 2010. China has ended its "crisis-mode" pegging of the yuan to the dollar with a statement that it will gradually increase the flexibility of its exchange rate, an adviser to the central bank Li Daokui told Reuters on Saturday. The notes feature the portraits of Mao Zedong and Benjamin Franklin. REUTERS/Nicky Loh

Australia's Brett Emerton (L) fights for the ball with Ghana's Jonathan Mensah during a 2010 World Cup Group D soccer match at Royal Bafokeng stadium in Rustenburg June 19, 2010. REUTERS/Kim Kyung-Hoon

India's Gautam Gambhir avoids a bouncer during the match against Pakistan at the Asia Cup one-day international cricket tournament in Dambulla, Sri Lanka, June 19, 2010. REUTERS/Andrew Caballero-Reynolds

Racegoers use the escalators in the Royal Enclosure on the fifth day of racing at Royal Ascot in southern England June 19, 2010. REUTERS/Luke MacGregor

A number '6' motif is seen on the shoes of Switzerland's Roger Federer as he practices ahead of the 2010 Wimbledon Tennis Championships in London June 19, 2010. Defending champion Federer has won the men's singles title six times. REUTERS/Toby Melville

Australia's Brett Holman celebrates after scoring against Ghana during a 2010 World Cup Group D soccer match at Royal Bafokeng stadium in Rustenburg June 19, 2010. REUTERS/Marcos Brindicci

Denmark's Lars Jacobsen (top) and Cameroon's Achille Emana (bottom) fight for the ball near Samuel Eto'o (9) and Christian Poulsen during a 2010 World Cup Group E soccer match at Loftus Versfeld stadium in Pretoria June 19, 2010. REUTERS/Dylan Martinez

Women compete in a high-heel race on Nowy Swiat Street in Warsaw June 19, 2010. Hundreds of women took part in the 4th annual 150-metre (492-foot) high-heel race organised by Glamour Magazine in Warsaw on Saturday, vying for the first prize money of 10000 Polish Zloty ($3,046). REUTERS/Peter Andrews

A runner dressed in inflatable Sumo costume takes part in a charity 5km (3miles) run at Battersea Park in London June 19, 2010. Organisers claimed a new world record for a mass Sumo suit gathering at the annual event. REUTERS/Toby Melville

Japan's Yuji Nakazawa (L) fights for the ball with Netherlands' Dirk Kuyt during their 2010 World Cup Group E soccer match at Moses Mabhida stadium in Durban June 19, 2010. REUTERS/Michael Kooren

Janko Tipsarevic of Serbia returns a shot to Sergiy Stakhovsky of Ukraine in their final match of the Unicef Open Grass Court Championships in Rosmalen, Netherlands, June 19, 2010. REUTERS/Paul Vreeker/United Photos

A visitor greets his friend in between an art display inside Beijing's "798 Art Zone" June 19, 2010. The area occupied by the art zone was once the place for Beijing North China wireless joint equipment factory, namely 718 Joint Factory, which was designed and built by the experts of former East Germany in the 1950s. REUTERS/Bobby Yip

Men walk past the bullet-riddled glass windows of a mosque on premises of a district city court where gunmen attacked police escorting prisoners in Karachi June 19, 2010. One policeman was killed in Karachi on Saturday when unknown gunmen opened fire near the City Courts, local media reported. The gunmen opened fire at a group of policemen who were escorting a number of prisoners to the courts and threw a hang grenade amid the crowd, Pakistan's Dawn newspaper said. REUTERS/Akhtar Soomro

Pro-government protesters gather during a demonstration calling on pro-democracy lawmakers to back a proposal in the government's political reform package which will feature direct elections for the Legislative Council's functional constituency seats, in Hong Kong June 19, 2010. A senior Chinese official on Monday June 7, 2010 made a rare public appeal to Hong Kong's opposition democratic lawmakers to back a key reform package intended to advance the city towards universal suffrage in 2017. REUTERS/Tyrone Siu