About 340 students and teachers from Heng Samrin Prey Lvea High School, Prey Kabas District, Takeo province visit the Extraordinary Chambers in the Court of Cambodia ( ECCC) on 11 January 2018 for understanding about ECCC’ legal processing as well as studying more on history of Democratic Kampuchea regime. After visiting at ECCC, all students and teachers continue to visit S-21 and Killing Field Cheung Ek.