China is the largest nation in East Asia with has the largest population in the world. The Chinese civilization is one of the oldest in the world and covers a vast and diverse landscape, from the steppes and deserts of Inner Mongolia in the north to the tropical island of Hainan in the south and the Himalayas in the southwest. The northern border of China abuts Mongolia and Russia. The north eastern edge of China rests against North Korea. South from here, China has a long curving coast line which is washed by the Bo Hai, Yellow, East China, and South China Seas. The southern edge borders Vietnam, Laos and Myanmar (Burma). To the west, across the Himalayan mountains, China borders India, Bhutan, Nepal, Pakistan and Afghanistan. The Northwest of China borders Tajikistan, Kyrgyzstan and Kazakhstan. The highest mountain in the world, Mount Everest, is on the border between Nepal and China.