June 5th, 2017 • 5 mins 53 secs • Download (8.65 MB) • Link with Timestamp
During the planning stages for the Sofia Metro in Bulgaria, ruins of an old Roman fortress and city wall were discovered at the network’s proposed Serdika station.
June 5th, 2017 • 5 mins 53 secs • Download (8.65 MB) • Link with Timestamp
During the planning stages for the Sofia Metro in Bulgaria, ruins of an old Roman fortress and city wall were discovered at the network’s proposed Serdika station.