Let me introduce my self, im anupong from UBM whi is organiser for FIA2016 show, I already received the design from exhibitor, so the backwall is higher than us permittied we allowed only 3.5m(H) if you need to build the structure is highter than 3.5m(H) shuld be setback from neighboring stand 1 m. then i found the design are using driedgrass ? if yes, we concerning when an air condition are opened driedgrass will away from their booth.