Instagram Pier (originally Western District Public Cargo Working Area Chinese: 西環貨運碼頭) is a pier located on the waterfront of Sai Wan. Residents of Sai Kung will go there for wandering, resting, walking their dogs and fishing. Now, it becomes the place where witnessing the sunset and shooting photos. Because of its name -"Mirror of the sky", many people go and take many photos there. The reason for this name is the reflection of water. After rains, the floor will have a thick layer of water. The water reflects people’s shadows. Therefore, the stunning sunset sets off the "Mirror of the sky”. People can take lots of photos in such natural place.