What is this?
a forest
What is this?
an ocean
What is this?
a waterfall
What is this?
a vally
What is this?
a volcano
What is this?
a mountain
What is this?
A beach
What is this?
a river
What is this?
an island
What is this?
a hill
What is this?
a sand dune
What is this?
a lake
What is this?
a desert
What is this?
a coast