sixpenceee:Mount Roraima, South America: This tabletop mountain is one of the oldest mountains on Ea
sixpenceee:Mount Roraima, South America: This tabletop mountain is one of the oldest mountains on Earth, dating back two billion years when the land was lifted high above the ground by tectonic activity. The sides of the mountain are sheer vertical cliffs, with several waterfalls, making it nearly impossible to climb. -- source link