What is he doing?
He is swimming in the sea
What place is this?
It's the beach.
What is it?
It's an ice-cream
What are they doing?
They are playing football
What is this?
It's a mountain.
What is it?
It's an umbrella
What are they?
They're flip-flops
What are they?
They're sunglasses
What is she doing?
She is climbing a mountain
What is it? It's a castle made of sand.
It's a sandcastle.
What are they doing?
They are riding their bikes.