The work of title is called DOOMSDAY, and the subtitle is called THE COST OF EXTREMISM.
The interpretation of this work is that when the clockwise of the extremism points to 12:00, the gun at the bottom will fire to destroy the earth, is in order to call on human to boycotted the extremism and maintain the peace of the world together.
This poster belong to
Make Extremism History

poster for tomorrow, the international poster competition, is proud
to announce the launch of its 2016 edition: This year we're going to do
things a little differently. It's about evolution, not revolution.