text: COCO_train2014_000000017450.jpg ### The image shows a skateboarder performing a trick on a halfpipe. The skateboarder is wearing a white shirt and black pants, and has a black helmet on his head. The halfpipe is made of concrete and has a smooth surface. The skateboarder is in mid air, with his left foot on the board and his right foot on the ground. The background is a blue sky with some clouds.