About 300 teachers from Mesang district, Prey Veng province join with another 300 Phnom Penh students visited the Extraordinary Chambers in the Court of Cambodia (ECCC) on 24 April, 2018. The purposes of the visits are to understand about ECCC’ legal processing as well as studying more on history of Democratic Kampuchea regime. Moreover, all teachers and students visit S-21 and Killing Field, Beong Cheung Ek in the afternoon.