In geography, regions are areas that are broadly divided by physical characteristics(physical<span> geography), human impact </span>characteristics<span> (human geography), and the interaction of humanity and the environment (environmental geography).</span>
The Mekong River flows through the countries China, Myanmar, Thailand, Laos, Cambodia, and Viet Nam.
The type of geography that studies all the natural occurences on the planet is physical
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Bangui, city, capital of the Central African Republic, located on the west bank of the Ubangi River. It is connected by an extended 1,100-mile (1,800-km) river-and-rail transport system with Pointe-Noire on the west-central African coast and with Brazzaville (both in the Republic of the Congo).
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