Mexico City built a hard way, searching for an eagle eating a snake on top of a rock. They found it on a lake bed. As a result, they built on some pretty soft s

Mexico City built a hard way, searching for an eagle eating a snake on top of a rock. They found it on a lake bed. As a result, they built on some pretty soft sinking layers. Favorite city though, lived there last month and going to Machu Picchu again this weekend.