"Vertical Landscape" by Eiko Ojala. It looks like a paper landscape but the artist actually works digitally and hand-draws all the elements to look like they're cut out of people. (Hint: the shadows help!
The poster comments on the subject (racism) in a non-direct way, trying to invoke the reader visually into the inevitable conclusion. It has multiple reads, that provoke critical thinking and raise awareness on the subject and its results globally.
I think it's creative that the artist created a mountain range out of different pictures of actual mountain ranges. The different colors make it easier to tell that each overlapping picture is a mountain and keep your eye flowing from one pyramid to the n