There are over 4,000 rivers in Mongolia, known as Gols in Mongolian. Most of the country's 20 or so significant waterways are in the Northern Arctic Basin in Central and Northern Mongolia, which has the highest annual precipitation.
Traditionally, Mongols practiced Shamanism, worshipping the Blue Sky. However, Tibetan Buddhism (also called Vajrayana Buddhism) gained more popularity after it was introduced in 16th century.
Ulaanbaatar (Улаанбаатар), also Ulan Bator or simply just UB, is the capital of Mongolia. With a population of around 1.2 million, it is also the largest city in Mongolia.