The Za Qu River, later the Lancang, and eventually the Mekong flows through or beside six countries before it flows into the sea from Vietnam; where does it rise?
The ans is - Tibetan Plateau
Which river, formed by the union of the Murad Nehri and the Karu Su, flows for 2781 km (1728 miles) through Turkey and Syria into Iraq, where it joins the Tigris to form the Shatt-el-Arab?