La distancia que separa la Tierra del Sol es perfecta para que haya vida en nuestro planeta, donde la luz y la lluvia determinan la existencia de distintas regiones. Nuestros antepasados, procedentes de África, se adaptaron a vivir en entornos diversos que los seres humanos hemos transformado poco a poco. Un libro que nos descubre nuestra relación con el planeta y nos explica por qué todos somos diferentes.Why does the distance to the Sun allow life to exist on Earth? How is it that light and rain determine the different regions of our planet? How have humans adapted to each environment?We all look different depending on where our ancestors were born. And thanks to the fact that they learned to use the different resources in each place, we have come this far! Human skill has allowed us to change our environment and make machines to do the most arduous tasks.This visual guide reveals the history of humans on Earth and explain howwe are related and how we are all different!