The Big Roof is representative of Sheikh Zayed, covering andprotecting the seven emirates. The main construction material islocal sand. A large circular “pond” sits in front of the museum. It isdivided through the centre by a bridge, which provides a connection with the entrance. The crossing will be made of tempered glass,making the water visible below the visitor’s feet as they cross. As the water vaporizes, The “pond” also works as a natural cooling device.