Sangyip Prison Complex, officially called the People's Armed Police (PAP) Number 1 Branch (Chinese: Di yi zhidui - Unit No.
[1] It is well known for the political detention of Tibetans throughout its history, which is believed to have started in 1964.
[2] References to Sangyip as a prison complex date back as far as 1994.
[2] Reports from human rights organizations, such as Amnesty International and Human Rights Watch, have documented severe human rights abuses within Sangyip Prison, including torture, forced labor, and inadequate living conditions.
[3] Notable detainees have included Takna Jigme Sangpo,[4] Yeshi Gyatso,[5] Palden Gyatso,[6] among others.