There's a strip called Moebius strip. It seems like a ring, actually, it has only one surface. If putting an ant on the strip, it will never stop crawling. All the beginnings are also destinations on the strip. Humans seem alike the ant on the strip. Worldwide 60 billion people walking on a Moebius strip. Sometimes, men congregate on one side, while women congregate on the other side. However, there... see more