1.leaving_for_bus_to_heathrow

2.buses_waiting_departure_terminal

3.sitting_on_right_behind_driver

4.roadside_view

5.no_shoulders

6.tunnel_ahead

7.trucks_drivers_head

8.sheep_on_hillside

8a.intersection

9.center_intersection

10.through_tunnel

11.approaching_heathrow

12.heathrow_duty-free_internet