China is located in Asia and has the world's largest population. It has diverse landscapes like the Gobi and Taklimakan deserts, the Yangtze River, the Himalayas mountains, and has a long history dating back thousands of years. China's climate and plant life varies by region, and its people have adapted over time through practices like irrigation, farming, fishing, and inventions such as kites, compasses, and the wheelbarrow. A notable landmark is the Great Wall, one of the oldest and largest military defense systems in the world.