What are these?
They're passports.
Who's he?
He's a pilot.
Who's she?
She's a flight attendant.
WHat's she doing?
She is going through security.
What's he doing?
He is checking in his luggage.
Who's this?
He's a security guard.
What's this?
Departures
What are they doing?
They are boarding the plane.
What's this?
Boarding pass
What's this?
Arrivals
What are they doing?
They are going to their gate.
Who are the people?
They are passengers.