Which three rivers are Tongjiang Sanjiangkou?

Tongjiang Sanjiangkou refers to Heilongjiang, Songhua River and Tongjiang. Sanjiangkou is the confluence of Songhua River and Heilongjiang, and also the border between China and Russia. Located 4 kilometers northeast of Tongjiang City, Jiamusi City, Heilongjiang Province. After confluence, it is commonly known as "Huntong River", hence the name "Sanjiangkou". Sanjiangkou is famous for its "rivers meet, roads begin, and the sea meets". Songjiang and Heijiang walk side by side here. The waters of the two rivers, black in the north and yellow in the south, are distinct and distinct, flowing east for dozens of miles without blending, becoming the wonders of the three rivers. Tongsan Highway, the main artery of China North-South Highway, starts from Sanjiangkou. Sanjiangkou is also a famous ancient battlefield in history, a battleground for military strategists, and there have been many wars in history. Natural landscape, historical culture and modern civilization constitute a unique picture of Sanjiangkou Scenic Area. /fimg/93 1 134 1653 . jpg