▲ 315 ▼ Mount Roraima is over 2 billion years old, predating animals, trees, and dinosaurs. Its sheer 400-meter cliffs isolate an ecosystem found nowhere else on Earth (thelemmy.club) submitted 1 day ago by time2lose@lemmy.world to c/interestingasfuck@lemmy.world 49 comments fedilink hide all child comments