Snow sits on a umbrella before the men's ski halfpipe final at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Tuesday, Feb. 18, 2014, in Krasnaya Polyana, Russia.Jae C. Hong/The Associated Press
People hide from gunfire near a church during a firefight between African peacekeepers and fighters from the Christian "anti-balaka" militia at Boy-rabe, an area in Bangui February 18, 2014.LUC GNAGO/Reuters
An anti-government protester faces a line of riot police officers ready to enter the protesters' encampment near the Government House in Bangkok February 18, 2014. A Thai police officer was killed and dozens of police and anti-government protesters were wounded in gun battles and clashes in Bangkok on Tuesday, officials and witnesses said.DAMIR SAGOLJ/Reuters
Britain's Prince Charles, wearing a traditional Saudi attire, attends the traditional Saudi dance, known as 'Arda', which was performed during Janadriya culture festival at Der'iya in Riyadh, February 18, 2014.POOL/Reuters
Wounded people walk after clashes with riot police in central Kiev February 18, 2014. Ukrainian riot police advanced on the heart of 12-week-old protests against President Viktor Yanukovich on Tuesday and security forces set a deadline to end disturbances after at least five protesters were reported killed in a day of clashes.STRINGER/Reuters
Anti-government protesters throw missiles during clashes with riot police at the Independence Square in Kiev February 18, 2014. Ukrainian riot police started to move into Kiev's Independence Square late on Tuesday, pushing back anti-government protesters whose tents were burning, local television showed.DAVID MDZINARISHVILI/Reuters
A Nepalese man is silhouetted by the setting sun as he walks along the hills at Kailali in Far-Western region of Nepal, around 800 km (431 miles) from Kathmandu February 18, 2014.NAVESH CHITRAKAR/Reuters
A skier competes during the men's freestyle skiing halfpipe finals at the 2014 Sochi Winter Olympic Games in Rosa Khutor February 18, 2014.MIKE SEGAR/Reuters
Canada's pilot Kaillie Humphries and Heather Moyse speed down the track during the women's bobsleigh competition at the 2014 Sochi Winter Olympics February 18, 2014.MURAD SEZER/Reuters
Canadian fans cheer during the medal ceremony at the 2014 Sochi Winter Olympics, February 18, 2014.ERIC GAILLARD/Reuters
Charles Hamelin of Canada crashes out in a men's 500m short track speedskating heat at the Iceberg Skating Palace during the 2014 Winter Olympics, Tuesday, Feb. 18, 2014, in Sochi, Russia.David J. Phillip/The Associated Press
A model wears a playing card that was used by a hairdresser to hold her style in place, as she waits to do a run through of the Meadham Kirchhoff fashion show as part of London Fashion Week in London, Tuesday, Feb. 18, 2014.Alastair Grant/The Associated Press