In a remarkable shocking development, the world’s first underground hotel has been opened in Shanghai. It was buried almost 90 meters deep in an old quarry. InterContinental Shanghai Wonderland 18-storey Hotel, as it is known is almost entirely subterranean. According to the reports, the luxury hotel has two floors above ground and 16 below ground. Two floors are reportedly underwater. The hotel is occupied with the 336 rooms. The Hotel is called as an architectural masterpiece.The property was built by British firm Atkins, it is said.