北京 (Běijīng): This term refers to Beijing, the capital city of China. It is not only the political center but also a cultural hub with numerous historical landmarks.
上海 (Shànghǎi): This term refers to Shanghai, one of the largest cities in China and a major global financial center. It is known for its modern skyline, bustling economy, and vibrant nightlife.
This term refers to the Great Wall of China. It is an ancient fortification that stretches across thousands of kilometers and symbolizes China's historical defense system.