This is a movie with the visible part of the Ancient Stadium of Philippopolis, located in the center of Plovdiv, Bulgaria, under in the main street of the city.

The Stadium of Philippopolis was built in the beginning of 2nd century AD during the reign Emperor Hadrian. It is situated in the Northern part of the fortified city surrounded by defence walls, in the natural terrain between Taksim Tepe and Sahat Tepe.

The facility, approximately 240 meters long and 50 meters wide, could seat up to 30 000 spectators.

If you're still curious, you can see the virtual tour of the stadium of Philippopolis, as it looked like some 1800 years ago.