Tolong jelaskan mengenai Kwalliso

Kwalliso atau kwan-li-so, adalah salah satu dari tiga bentuk penahanan di Korea Utara, dua lainnya adalah Hawk yang diterjemahkan menjadi "penahanan jangka pendek/pusat buruh paksa" dan "kamp buruh penjara jangka panjang". Sekitar 80.000 sampai 120.000 orang menjadi tahanan politik di negara tersebut.

Report of the Commission of Inquiry on Human Rights in the Democratic People's Republic of Korea—detailed report, resources include maps and satellite photographs of camps

Amnesty International: North Korea: Political Prison Camps - Document on conditions in North Korean prison camps

–Comprehensive analysis of various aspects of life in political prison camps

Freedom House: Concentrations of inhumanity –Analysis of the phenomena of repression associated with North Korea's political labor camps

Christian Solidarity Worldwide: North Korea: A case to answer–a call to act–Report to emphasize the urgent need to respond to mass killings, arbitrary imprisonment, torture and related international crimes

Washington Post: North Koreas Hard Labor Camps - Explore North Korean prison camps with interactive map