text: COCO_train2014_000000400710.jpg ### The image shows a skateboarder performing a trick on a halfpipe in a skate park. The skateboarder is wearing a helmet and knee pads, and is standing on the edge of the halfpipe. The halfpipe is made of concrete and has a smooth surface. There are several people watching the skateboarder from the sidelines. The skate park is surrounded by trees and a fence.