What is this?
It's a mountain.
What is this?
It's a cave.
What is this?
It's a lake.
What is this?
It's the coast.
What is this?
It's a waterfall.
What is this?
It's a stone forest.
What is this?
It's a glacier.
What is this?
It's a river.
What is this?
It's a rainforest.
What is this?
It's a volcano.
What is this?
It's a desert.
What is this?
It's a grassland.