governments' approach to human rights in the region when cracking down on separatist convulsions that have occurred around monasteries and cities, most recently in the 2008 Tibetan unrest. The central region of Tibet is now an autonomous region within China, the Tibet Autonomous Region. The Tibet Autonomous Region is a province-level entity of the People's Republic of China. It is governed by a People's Government, led by a chairman. In practice, however, the chairman is subordinate to the branch secretary of the Chinese Communist Party (CCP). As a matter of convention, the chairman has almost always been an ethnic Tibetan, while the party secretary has always been ethnically non-Tibetan. Geography All of modern China, including Tibet, is considered a part of East Asia. Historically, some European sources also considered parts of Tibet to lie in Central Asia. Tibet is west of the Central China plain. In China, Tibet is regarded as part of (), a term usually translated by Chinese media as "the Western section", meaning "Western China". Mountains and rivers Tibet has some of the world's tallest mountains, with several of them making the top ten list. Mount Everest, located on the border with Nepal, is, at , the highest mountain on earth. Several major rivers have their source in the Tibetan Plateau (mostly in present-day Qinghai Province). These include the Yangtze, Yellow River, Indus River, Mekong, Ganges, Salween and the Yarlung Tsangpo River (Brahmaputra River). The Yarlung Tsangpo Grand Canyon, along the Yarlung Tsangpo River, is among the deepest and longest canyons in the world. Tibet has been called the "Water Tower" of Asia, and China is investing heavily in water projects in Tibet. The Indus and Brahmaputra rivers originate from the vicinities of Lake Mapam Yumco in Western Tibet, near Mount Kailash. The mountain is a holy pilgrimage site for both Hindus and Tibetans. The Hindus consider the mountain to be the abode of Lord Shiva. The Tibetan name for Mount Kailash is Khang Rinpoche. Tibet has numerous high-altitude lakes referred to in Tibetan as tso or co. These include Qinghai Lake, Lake Manasarovar, Namtso, Pangong Tso, Yamdrok Lake, Siling Co, Lhamo La-tso, Lumajangdong Co, Lake Puma Yumco, Lake Paiku, Como Chamling, Lake Rakshastal, Dagze Co and Dong Co. The Qinghai Lake (Koko Nor) is the largest lake in the People's Republic of China. Climate The climate is severely dry nine months of the year, and average