Inmates stand on the roof of the prison in Cascavel, Parana state, Brazil. The inmates killed four fellow prisoners and took two guards hostage in the riot.
A guard of honor is seen before a welcome ceremony for Zimbabwe's President Robert Mugabe outside the Great Hall of the People in Beijing, China.
Daniel Nelson looks over toppled barrels of wine at the B.R. Cohn Winery barrel storage facility in Napa following an earthquake in northern California Aug. 24, 2014.
A wild elephant crosses a highway in search of dry land after floods hit Kaziranga National Park in Assam, India.