Search for dinosaur bones - this is a very exciting adventure. Bones are located deep underground, and it is not easy to get. Arriving at the site, you need to properly assess the situation. Soil layers are divided into different types that are mixed in a chaotic manner. Do you like the young paleontologist, clusters need to look similar formations if this cluster has more than two units, it can be removed. By gravity, all the top clusters will fall down. Your task is to get to the lower layers of soil and study them.