The headless silhouette of an anonymous person from many other anonymous peopleThe headless silhouette of an anonymous person from many other anonymous people
On a dark gray blackboard, many mathematical formulas are written in chalkOn a dark gray blackboard, many mathematical formulas are written in chalk
Among the raging sea waves, a man on a raft, there are many sharks under the waterAmong the raging sea waves, a man on a raft, there are many sharks under the water