A boy sits behind the gun of a tank during a military competition between tank units near the town of Torez, in the Donetsk region, on September 24, 2015. Ukraine's pro-Moscow insurgents showed off their military prowess on Thursday by launching exercises involving heavy tanks that Kiev claims they had covertly received from Russia. The self-proclaimed "tank biathlon" mirrored manoeuvres that Russia has been staging with its former Soviet allies in recent years. AFP PHOTO / ALEKSEY FILIPPOV (Photo credit should read ALEKSEY FILIPPOV/AFP/Getty Images)
