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 Drop, rattle of metal ⚠ The creak of the gymnastic horizontal bar ⚠ Unscrewing and twisting the lid of the metal ⚠ Metal strike ⚠ Trash can lid ⚠ Dragging a car muffler along the sidewalk ⚠ Roll a metal barrel ⚠ Squeaking metal ⚠ Creaking metal from friction ⚠ Ringing chain ⚠ Kick on the car ⚠ Metal rotation, Squeak ⚠ ★★★★★