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