Categories city h4 noise Uncategorized L1 subway crazy signal-tones Post author By berniq Post date April 3, 2015 http://ears-are-wings.stupidius.net/wp-content/uploads/2015/04/2015-04-03_subway_L1-signal-noise.mp3Download audioThe warn-signal before closing the doors of the subway makes some crazy noises in between the “beeps”. Tags Barcelona, Subway ← Barcelona Carrer Rogent at night. → Fleamarket in Barcelona “Mercat dels Encants”