Distant ambiance of an arriving underground metro
Train station platform ambiance with train bys.
Busy traffic with buses, car horns and some footsteps
Train station or subway station ambiance with crowd chatter, coughs and footsteps.
Air pressure gauge being diflated at a gass station.
Euston Square station crowd, London, with crowd walking, and people chatting
A noisy metro or subway station with train passes and crowd chatter.
A busy train station with crowd chatter and footsteps. Grand Central Station
Airport crowd, monorail system, crowd swell, train arrives.
Construction site - interior, Union Station Toronto, drilling, sparse, voices, casual, background sounds.