Red River (Asia)
The Red River, also known as the Hong River (; Vietnamese: Sông Hồng; Chữ Nôm: 瀧紅; Chữ Hán: 紅河), the and (lit. "Mother River") in Vietnamese, and the (, Nguyên Giang) in Chinese, is a -long river that flows from Yunnan in Southwest China through northern Vietnam to the Gulf of Tonkin. According to C. Michael Hogan, the associated Red River Fault was instrumental in forming the entire South China Sea at least as early as 37 million years before present. The name red and southern position in C…