Introduction to the island: The island is located on the south side of Weihai City. It is surrounded by the sea and connected to the land by a long and narrow road. The island is about 5 kilometers long and 1 kilometer wide. It is named after its long and narrow shape that resembles a sword. There are 9 natural villages on the island. Due to the small amount of land, most of them focus on fishing and have unique folk customs.