The movement of cars on the bridge, drone, thumping metal in the tunnel: Listen & Download The movement of cars on the bridge, drone, .mp3 Error! Change your browser, please! ⇓ Download Metal trolley ⚠ Roll a metal barrel ⚠ Mailbox Opening, Closing ⚠ Squeaking metal ⚠ Falling metal objects ⚠ Squeal of movement of metal on metal ⚠ Unscrewing and twisting the lid of the metal ⚠ Metal ringing, Shovel strike ⚠ Metal strike ⚠ Tarahtanie metal objects ⚠ Squeak, metal rotation ⚠ Pounding on metal objects ⚠ ★★★★★