What is it?
A river
What is it?
A waterfall
What is it?
A glacier
What is this?
A beach
What is this?
A valley
What is it?
A cave
What is this?
A volcano
What is this?
A rainforest
What is it?
An island
What is this?
A jungle
What is this?
the ocean / sea
What is this?
A lake
What is it?
A cliff
What is this?
A mountain range
What is this?
A desert