The 49 passenger Hydra Terra from C.A.M.I. is an unsinkable amphibious bus. Built for Wonder Bus Tours of Dubai, U.A.E. The Hydra Terra is capable of 75 mph on land and 7 knots on water. C.A.M.I. can construct the Hydra Terra in a variety of configurations and sizes, using heavier duty materials for rough-use deployments.