What's this?
It's a lake.
What's this?
It's a mountain.
What's this?
It's a desert.
What's this?
It's a forest.
What's this?
It's a volcano.
What's this?
It's a jungle.
What's this?
It's a cave.
What's this?
It's an island.
What's this?
It's a river.
What's this?
It's a waterfall.