A police officer stands in front of a wall of flames during a protest in Athens. Violent clashes erupted as tens of thousands of demonstrators marched in opposition to a fresh round of budget...
Thousands of people with crutches and in wheelchairs protested against the government of Bolivia in February. They were protesting what they believe to be an inadequate welfare system. Image by David Mercado /LANDOV / Reuters
Nik Wallenda tightroped over Niagara Falls on a 2-inch-wide wire. He’s the first person to ever cross directly over the falls from the U.S. into Canada. Image by Frank Gunn / AP