Place des Nations - 2 ( CHRISTIAN ) Tags: abandoned architecture logo concrete montral geometry decay nation symmetry moderne abandon urbanexploration qubec gomtrie decaying worldsfair modernist worldexposition urbex expo67 abandonn bton symtrie stehlne dcrpitude placedesnations terredeshommes stexupry expositionuniverselle explorationurbaine lesainthlne manandhisworld trashitude