Atlanta Braves coach coach Greg Walker walks across the field early Thursday morning, Feb. 20, 2014, before a baseball spring training workout in Kissimmee, Fla.
A dog encounters Chinese paramilitary policemen on duty as they cross a street during a hazy day in Beijing, China, Thursday, Feb. 20, 2014.
Venus Williams of the U.S. celebrates after she beats Flavia Pennetta of Italy during the quarterfinal of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Thursday, Feb. 20, 2014.
An Israeli women walks her dog under heavy fog at the Mediterranean sea beach front in Tel Aviv, Israel, Thursday, Feb. 20, 2014.
A visitor to Olympic Park is silhouetted while walking past the Olympic cauldron at the 2014 Winter Olympics, Thursday, Feb. 20, 2014, in Sochi, Russia.
Bodies of anti-government protesters killed in clashes with police lay at the Independence Square in Kiev, Ukraine, Thursday, Feb. 20, 2014. Fearing that a call for a truce was a ruse, protesters tossed firebombs and advanced upon police lines Thursday in Ukraine's embattled capital. Government snipers shot back and the almost medieval melee that ensued left scores of people dead.