I use planet Earth to go in very extreme environments where conditions were similar to those of Mars at the time when the climate changed, and there I'm trying to understand what happened.
我用地球去到非常极端的环境， 过去在气候变化的时候 那里的环境条件和火星上的非常相似， 在那里，我正试图理解 曾经发生过什么。