When we got to Machu Picchu early Wednesday morning, it was completely covered with fog. Our plan was to climb Waynapicchu which is the steep mountain that can be seen behind Machu Picchu. The climb was very steep and treacherous up wet steps and paths. When we arrived at the top, we could only see some of the surrounding mountains through the clouds. We could not see down to Machu Picchu. On the top, there were some small structures which suggests that the mountain was one of the sacred spots for ceremonies. As we descended, the clouds below began to clear and we could see below us the beautiful sacred site. The climb down was difficult, and at one point I slipped a bit and my water bottle went over the side of the mountain.