"Parchment maze” will generate too many arguments.. But when there is an argument, there will be an answer...
Historical Museum in Kurdjali.
Excavation shown in the museum, prehistory.
Model of a tomb.
Rock niches, Kurdzhali - one of the biggest complexes in the Eastern Rhodopes. (From: Perperikon. Civilization of rock people, Prof. N. Ovcharov).