It was one of those things like a Great Pyramid or a Grand Canyon that you just had to walk toward, so everyone got out of the bus and did that. It was even bigger than it looked, and so it took a little while to reach the crisp edge where the slope of it dove into the ground. Saskia turned her head from side to side and estimated the size of it as comparable to a football field. The peak was something like thirty meters above her head.