The little world

It is said that the world is a handkerchief when it is wanted to express that it is not as big as it seems, since in numerous occasions we find that our neighbors are friends of our friends (and not through us but by other circumstances), that we We travel and in the place of destination we meet people from our place of origin or that after many years, we agree in our work with that child with whom we barely spoke in school even though he went to our class.