On November 18, 2016, American Intercon Institute (Aii) conducted an open field study for a group of students from Chak Angre Campus. They all went to visit Tuol Sleng Genocide Museum. The primary purpose of the visit to the Killing fields was to get the full picture of what happened in Cambodia in the 1970s during the Khmer Rouge regime. Therefore, we strongly believe that all the participating students will be able to broaden their general knowledge regarding Cambodian history.