Environmental activists handcuff themselves to the fence as they wait to be arrested during a rally in opposition to the Keystone XL Pipeline on the sidewalk in front of the White House in Washington March 2, 2014.
Unidentified troops march as they block a military base in the village of Privolnoye in the Crimea region of Ukraine, March 2, 2014.
A woman sweeps away the broken glass as two unidentified armed men guard the entrance to the local government building in downtown Simferopol, Ukraine, on Sunday, March 2, 2014.
Revellers parade during a traditional Maracatu carnival in Nazare da Mata, in the state of Pernambuco, northeastern Brazil, March 2, 2014.
"The Tonight Show" host Jimmy Fallon, center, exits the water during the Chicago Polar Plunge, Sunday, March 2, 2014, in Chicago. Fallon joined Chicago Mayor Rahm Emanuel in the event.
Ultra-Orthodox Jews take part in a mass prayer in Jerusalem March 2, 2014. Hundreds of thousands of ultra-Orthodox Jews held a mass prayer in Jerusalem on Sunday in protest of a bill meant to slash military exemptions granted to seminary students, a tradition held since the founding of Israel.
Children wearing masks rest inside a house during Bele Poklade carnival celebrations in the village of Lozovik, some 100 km (62 miles) from the capital Belgrade, March 2, 2014.
Environmentalists rally and pretend to be dead on a black sheet symbolizing an oil spill as they rally in front of the White House and call on President Barack Obama to reject the Keystone XL oil pipeline, in Washington, March 2, 2014.
Anti-government protesters use makeshift shields as protection during clashes with the National Guard at a rally against Venezuela's President Nicolas Maduro government in Caracas March 2, 2014.
Nathan Schroeder drives his dog team down the trail just after the start of the 2014 Iditarod Trail Sled Dog Race out of Willow, Alaska, Sunday, March 2, 2014. The race will take mushers nearly a thousand miles to the finish line in Nome, on Alaska's western coast.
Youths play pond hockey on Pigeon Lake near the town of Bobcaygeon, in the Kawartha Lake region of central Ontario March 2, 2014.
Vancouver Canucks defenseman Kevin Bieksa (3) tries to hit the puck past Ottawa Senators goalie Craig Anderson (41) during the third period of the Heritage Classic hockey game at BC Place in Vancouver, B.C. Sunday, March 2, 2014.
(JONATHAN HAYWARD/THE CANADIAN PRESS)
Visitors record with their mobile phones during a flag-raising ceremony ahead of the opening of the Chinese People's Political Consultative Conference (CPPCC) at the Tiananmen Square in Beijing, March 3, 2014.
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