Photo focus: Rule of thirds

Hundreds of commuters pack the Se central subway station in Brazil during rush hour on August 12, 2003. REUTERS/Paulo Whitaker

Australian freestyle motocross rider Robbie Maddison jumps during a training session in the Sahara desert near the Gizah pyramids during sunset in Cairo May 11, 2010 in preparation of the second stage of the Red Bull X-Fighters World Tour. ...more

An Indonesian policemen shouts during a clash with anti-government protesters near the presidential residence in Jakarta, Indonesia, February 6, 2003. REUTERS/Darren Whiteside

Traders stand outside the New York Stock Exchange, March 27, 2009. REUTERS/Eric Thayer

Iraqi police stand over a detained al Qaeda suspect following a raid in the eastern Iraqi town of Baquba, Iraq, July 8, 2007. REUTERS/Helmiy al-Azawi

Two boys, their bodies painted in silver, sit on top of a water buffalo during a parade before the start of Chonburi's annual buffalo races festival, nearly 75 kilometers (47 miles) southeast of Bangkok, October 24, 2007. REUTERS/Adrees Latif more

Workers stand in the tunnel of a gold mine operated by state miner PT Aneka Tambang Tbk (ANTAM) at Cibaliung in Banten province, Indonesia, May 24, 2010. REUTERS/Supri

Palestinians run to escape, while one crawls, as Israeli soldiers fire teargas during Palestinian-Israeli clashes in the south Gaza Strip town of Khan Yones October 20, 2000. REUTERS/Reinhard Krause

A man rinses soot from his face at the scene of a gas pipeline explosion near Nigeria's commercial capital Lagos, Nigeria, December 26, 2006. REUTERS/Akintunde Akinleye

People pass by a sleeping homeless man with some anti-government banners at the site of recent bloody clashes in central Bangkok May 24, 2010. REUTERS/Damir Sagolj

A boy stands beneath a waterfall in a swimming pool at a park in Itupeva, Sao Paulo, Brazil, January 12, 2010. REUTERS/Alex Almeida

U.S. Marine Corp Assaultman Kirk Dalrymple watches as a statue of Iraq's President Saddam Hussein falls in central Baghdad April 9, 2003. REUTERS/Goran Tomasevic

A Muslim woman prays beside the coffin of her relative among 534 newly identified victims of the 1995 Srebrenica massacre lined up for a joint burial in Potocari, Bosnia, July 10, 2009. REUTERS/Damir Sagolj

Swimmer Julian Guy breaks the ice to make more room for other swimmers in the Serpentine in Hyde Park in central London January 8, 2010. REUTERS/Toby Melville

A farmer walks on a dried-up pond on the outskirts of Baokang, central China's Hubei province, June 10, 2007. REUTERS/Stringer

Shop owner Gong Chui Zhen, 47, fixes trousers at the entrance to her shop in an old quarter of Shanghai August 12, 2009. REUTERS/Nir Elias

An unidentified gunman walks towards the body of a man killed during clashes between Islamist insurgents and Somalia government troops in south Mogadishu, May 12, 2010. REUTERS/Feisal Omar

Two silhouetted people watch a powerfull wave as it hits a lighthouse at the entrance of Les Sables D'Olonne harbour during a storm on France's Atlantic coast November 6, 2000. REUTERS/Charles Platiau

Women in bridal gowns take part in a carnival for newly wed brides in Russia's southern city of Stavropol May 23, 2010. REUTERS/Eduard Korniyenko

A gymnast practices her routine on the beam a day before the start of the World Gymnastic Championships at the O2 Arena in London October 12, 2009. REUTERS/Jerry Lampen