Thanks, Koon Arnun. As (ในฐานะที่เป็น) a geography professor of Silpakorn University, l really like your geography clip. I have never seen the mouth (ปาก) of the Moei River where (ซึ่ง) it flows to the Salween(Kong) River. The place where the Moei River flows to the Salween River is called (เรียกว่า) "Sobmoei (สบเมย)".