In a community halfway up the mountain in the middle, a building with more than 500 households, many villas and amusement areas covers two mountains. It looks like an ordinary residence, but when you enter from the outside, you have to go through four levels to enter this community. Each level has people closely monitor the people coming and going. People living here must have a special magnetic card to pass the inspection and verify that they are residents here before they can enter this community.