Template:POTD/2013-04-26
A map showing caesium-137 contamination in Belarus, Russia, and Ukraine (in curies per square kilometer) in 1996, ten years after the Chernobyl disaster struck the Chernobyl Nuclear Power Plant. The disaster contaminated 162,160 square kilometres (62,610 sq mi) of land and is widely considered the worst nuclear power plant accident in history.Map: Central Intelligence Agency/Eric Gaba