Introduction to the old Rong tree: One of the most precious things in Nanzhao Fengqing Island is an old Rong tree with a history of more than 500 years. It is the oldest tree on the island and has a strange shape. Its flower crown covers Covering an area of ​​more than 600 square meters, its fibrous roots seem to hang down from the sky to the ground, like a waterfall, so it is known as the "root waterfall".