Giant Trampoline Bridge in Paris by AZC Written in general, outdoor / May 27, 2013 The design was made by the Paris based architectural company AZC and proposed in a local design competition. The trampolines are 30 meters diameter and gains 3700 cubic meters of air. Read also on Offsomedesign Mindblowing buildings Modern apartment in Paris Bridge Rainbow Fountain in Seoul Movable footbridge bridge, London