Introduction to the group of cliff carvings: On the western beach of Tianya Haijiao, there are huge rocks such as "Tianya", "Haijiao", "Nantian Yizhu" and "Haipan Nantian" standing on the seashore. Among them, "Tianya" and "Haijiao" are respectively It was inscribed by Cheng Zhe, the magistrate of Yazhou during the Yongzheng period of the Qing Dynasty, and by General Wang Yi during the Republic of China period, making it a nostalgic place for people to visit.