What is it?
a canal
What is it?
a beach
What is it?
a motorway
What is it?
a valley
What is is?
a mountain
What is it?
a lake
What is it?
the sea
What is it?
an island
What is it?
a tunnel
What is it?
a power station
What is it?
a river
What is it?
a hill
What is it?
a cliff
What is it?
a field
What is it?
a harbour
What is it?
a skyscraper
What is it?
a bridge
What is it?
a forest