One more “miracle” that will be made ​​by the state of Dubai. Dubai to build hotels on the water with a depth of about 20 meters with Hydropolis name and has 220 rooms shaped like a bubble. At the base of the hotel there is a tunnel with a length of 515 meters that can carry passengers to see the beauty beneath the sea with automatic train. The hotel is estimated to cost about U.S. $ 600 million