Introduction to Longgui Island: The only island in the scenic area that is surrounded by water on three sides and has mountains on one side is Longgui Island. Because it winds like a hidden dragon that has accumulated strength for thousands of years and is ready to fly; from the Shuangshui Scenic Area, it looks like a thousand-year-old turtle; when you climb up and look down at the island, you can see the hidden dragon crouching on the back of the turtle, so it is named Dragon. Turtle Island.