China is the fourth largest country in the world, covering about 9.6 million square kilometers. Its geography includes diverse landscapes, such as the towering Himalayas in the southwest, vast plateaus, and fertile river valleys like the Yangtze and Yellow Rivers. The country is bordered by 14 nations, including India and Russia, and has a long coastline along the Pacific Ocean. The climate in China varies significantly from region to region. Northern areas experience cold winters, while southern regions have a more temperate climate. The country is also home to various ecosystems, from deserts like the Gobi to lush forests in the southeast, supporting a wide range of flora and fauna.