Sometimes it feels like the world is moving in the wrong direction. You can think what you wanna think about such things as Brexit or Trump being elected president, but you can't deny that such happenings are a sign of a western world which is getting more and more divided into 'them and us'. American Museum of Natural History has made a short video which shows the entirety of human history - maybe this can help us all find common ground. After all, we're all related to each other.