He's snorkelling quietly / loudly
quietly
What are you doing?
We're canoeing
She's horse riding carefully / dangerously
carefully
They're rowing carefully/ dangerously
dangerously
He's hiking loudly / quietly
loudly
What's this?
Rowing
What's this?
Snorkelling
What are you doing?
We're hiking
What are they doing?
They're windsurfing
What are you doing?
We're mountain biking
What's this?
Canoeing
What's this?
Horse riding
What's this?
Hiking
What's this?
Mountain biking
What's this?
Sailing
She's mountain biking quickly / slowly
quickly
What's this?
Windsurfing
What are they doing?
They're horse riding
He's rowing quickly / slowly
slowly