Hiroshima before (top) & after (bottom). An aerial view of the mass destruction on Hiroshima caused by "Little Boy". Out of 90,000 buildings, 60,000 were destroyed. (picture): http://alonglookatyou.blogspot.ca/2010/01/hiroshima-before-and-after.html source (info): http://www.atomicarchive.com/Docs/MED/med_chp9.shtml
The shadow of a Hiroshima victim, permanently etched into stone steps after the 1945 atomic bomb. The stone immediately behind the victim was shielded slightly. The rest got washed out by the radiation like when done gets bleached by the sun.