What are the names of the four sailboat-like buildings in Sanya?

The four sailboat-like buildings in Sanya are called shell buildings. Shell House is the air breakup courtyard of Phoenix Island in Sanya, Hainan Province. Sanya Phoenix Island Air Farewell Hospital is located in Dubai in the east and Phoenix Island, a sea holiday paradise. It is surrounded by the sea, in a corner of the ocean, very secret. Dazzling but mysterious, it is an elite symbol and luxury landmark of China.