https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181015_Extra_Bulgaria_028_preview.mp4 Clock Striking the Hour in Sofia Time lapse of a clock on the front of a red tower striking the hour in Sofia, Bulgaria. balkansBellbulgariabulgarianclockclock towerhoursofiastriketimetime lapsetimekeepingtimelapse