A man takes selfie in front of shell, which is replica of biggest detonated Soviet nuclear bomb AN-602...
A man takes a selfie in front of a shell, which is the replica of the biggest detonated Soviet nuclear bomb AN-602 (Tsar-Bomb), in Moscow, Russia, August 31, 2015. The shell is part of an exhibition organized by the state nuclear corporation Rosatom. REUTERS/Maxim Zmeyev
