123Movies. Before Weerasethakul makes a new feature film, he conducts thorough research related to the topic of his interest. For his feature film, Tropical Malady, Apichatpong asked his colleague Ton to visit the army in the Kaeng Krachan Dam area to study the lives of soldiers and their daily routines. This video documents Ton during his research trip, which later became a reference for the main character in Tropical Malady.