Past the town of Rzhev, the Volga turns northeastward, is swelled by the inflow of the Vazuza and Tvertsa rivers at Tver (formerly Kalinin), and then continues to flow northeastward through the Rybinsk Reservoir, into which other rivers, such as the Mologa and the Sheksna, flow. It then passes through a chain of small lakes, receives the waters of the Selizharovka River, and then flows southeast through a terraced trench. The Volga is a small stream in its upper course through the Valdai Hills, becoming a true river only after the entrance of several of its tributaries. The course of the Volga is divided into three parts: the upper Volga (from its source to the confluence of the Oka), the middle Volga (from the confluence of the Oka to that of the Kama), and the lower Volga (from the confluence of the Kama to the mouth of the Volga itself). Volga River, near Mariinsky Posad, Chuvashiya republic, Russia. Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.

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