In the eight decades since the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki — killing tens of thousands in seconds; dooming tens of thousands more to death by injury and radiation poisoning; and effectively ending the Second World War. Here, on the anniversary of the Hiroshima bombing on August 6, 1945, photos from the dawn of the Atomic Age.

Three bombs rocked the Afghan capital of Kabul on Thursday, with one hitting a bus carrying government employees, killing a total of at least 12 people, officials said.