This is Forced Perspective. The guy with the bike and the girl looks like their sitting and the other guy looks like he is hanging but really they are laying down on the ground. Its is from the angle and the way you look at it is called forced perspective
(closed rp with walker im the blonde) My best friend and I were taking a break from running and jumping and being normal 14 year-olds. In an instant the clouds in the sky turned dark grey, and we were alone.