Moravian Ostrava, Czechoslovakia, May 1945: Residents of the city celebrate the arrival of Russian tanks in the wake of headlong German retreat. The photo is obscured by the clouds of engine fumes generated by the Russian vehicles.Manufacturing standards were still eons away from &quot;environmentally friendly&quot; requirements. Note the indestructible Degtyaryov-Shpagin Large-Caliber (DShK) heavy anti-aircraft machine gun on the tank turret.