Atomic explosion after the detonation of the world's first atomic bomb. This bomb, code-named Trinity, was part of the Manhattan Project, set up by the US government during the Second World War. It was detonated at Alamogordo, New Mexico, on 16 July 1945. Three weeks later, atomic bombs were dropped on the Japanese cities of Hiroshima and Nagasaki., Image: 102979753, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia, Sciencephoto