The article provides a descriptive account of the Vam River, which flows into Tay Ninh at the Lo Go - Xa Mat National Park, marking the Vietnam-Cambodia border. It highlights the river's biodiversity and the economic activities of local communities, including fishing, fish trap construction, and net laying. The article also mentions the harmonious coexistence of Vietnamese and Khmer ethnic groups in the region. Furthermore, it discusses the challenges faced by local residents, such as poverty and illness, and the ways they are making a living, whether it be through fishing, selling water hyacinth, or trapping field mice. The article also touches on the historical significance of Da Hang Islet, believed to have been a resistance base during the unification of the border between Vietnam and Cambodia.