Asia — the largest part of the world. Europe and Asia form Eurasia continent. From North America separated by the Bering Strait and from Africa by the Red sea and the Suez canal, the Straits of Bosporus and Dardanelles from Europe. Conventional continental border of Europe runs along the Eastern Ural mountains and the shore of the Caspian sea. Together with the surface of the Caspian sea is 44.4 million km2, representing 30% of the continental surface of the Earth. The territory includes many of the Peninsula Asian (Arabian, Indian, Indochina, Asia Minor, the Taimyr Peninsula) and the Islands (Malay, Filipino, Japanese archipelago). In Asia is the highest point of the planet Everest, or Everest (8848 m), the deepest and the Dead sea (405 m below sea level). The climate of Asia varies from sub-polar and polar in the extreme North to tropical, very humid in the Southeast and very dry tropical in the southwest, but most of the territory the climate is continental. In Asia, home to 3.4 billion people, representing approximately 60% of the world population. A large part of the representatives of the yellow and white races. About 90% of the population is concentrated in South-East Asia, and mountainous expanses and deserts are unpopulated territories. The largest rivers of Asia — the Yangtze, yellow river, Ob ' with Irtysh, Mekong, Lena, Yenisei. The biggest lakes — Caspian sea, Aral sea, Baikal, Balkhash. Asia is the cradle of great religions: Buddhism, Hinduism and Islam.