 Yoda reluctantly agrees to train Skywalker and during his training many aspects of the planet's environment are utilized.Moss-covered rocks are used for training in telekinesis, the undergrowth makes treks through the jungles more challenging, and vines hanging from tall trees are used as means to get across small bodies of water and other obstacles.Skywalker is shown to sense the strength of the Force in a particular cave on the planet which Yoda tells him to go into.