Ancient Town Khulbuk, Tajikistan
Palace of the governor of Khulbuk
The castle is surrounded by fortress walls built of pakhsy and faced with baked bricks. Two-storied plinth was located along the foot of the wall, and the wall is strengthened with conical or rectangular retaining turrets. The round towers were built at the corners of the complex.
Outside walls of the palace had compound construction; as rule there were round towers on the corners and there were right-angled standing pylons in the intervals. The defensive wall was 12 m. high.