Dolni Glavanak
Dolni Glavanak is a village in the municipality of Madzharovo, in Haskovo Province, southern Bulgaria.
A megalithic stone circle, the Dolni Glavanak Cromlech, lies 2 km west of the village. Constructed from 15 pyramid-shaped stones, the formation is roughly circular in shape and has a diameter of 10 metres. The stone circle dates to the Early Iron Age. It was discovered in 1998 by archaeologist Georgi Nehrizov.