Ruins of an ancient fortress have been discovered in downtown Tbilisi while rehabilitating the Pushkin street.
While digging the road on Pushkin street workers discovered parts of a fortress that was a key fence in defending the city. According to archaeologists, oldest layers date back to the AD 5th century and the latest to AD 12-18th centuries.
The fence is described in various historic sources, the oldest depiction appears on Vakhushti‘s map of Tbilisi (1735):
