"in the dungeons of Poleh-charkhi"
lies 6km west of Kabul. It was commissioned by President Mohammed Daoud Khan but completed by the Soviet-controlled communist government. It became a notorious centre of torture and execution. A mass grave containing 2,000 bodies was recently discovered nearby.
The prison is still in use, and the US has transferred more than 250 detainees there from Guantanamo.