What is this?
This is the ocean.
What is this?
This is a castle.
What is this?
This is a cave.
What is this?
This is a stream.
What is this?
This is a building.
What is this?
This is a pond.
What is this?
This is a jungle.
What is this?
This is a desert.
What is this?
This is a waterfall.
What is this?
This is a bridge.
What is this?
This is a town.
What is this?
This is the Earth.