Introduction to the Islamic Ancient Tombs Group: The Tengqiao Ancient Tomb Group is located 3 kilometers east of Dongxi Village in Haitangwan Town (formerly known as Tengqiao Town) in Sanya. A total of 45 tombs have been discovered, which are cultural relics from the Tang, Song and Yuan Dynasties. They are the largest to date. The earliest, largest and longest-lasting Arab Islamic cemetery discovered in southern my country.