Garage doors are seen outside Block 23 in an apartment neighbourhood in New Belgrade, Serbia, July 31, 2019. After World War Two socialist Yugoslavia led by Josip Broz Tito set out to reconstruct a land destroyed by fighting. Residential blocks, hotels, civic centres and monuments all made of concrete shot up across the country. REUTERS/Marko Djurica SEARCH "ARCHITECTURE DJURICA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.