The Great Wall of China is one of the world's most iconic landmarks and a UNESCO World Heritage Site. It is a series of fortifications made of stone, brick, tamped earth, wood, and other materials. The Great Wall of China is generally built along an east-to-west line across the historical northern borders of China.
Beijing, also known as Peking, is the capital city of the People's Republic of China. It is located in the northern part of the country and is one of the most populous cities in the world, with a population of over 21 million people.
The Summer Palace is a beautiful imperial garden located in the Haidian district of Beijing, China. It was originally built in the 18th century as a summer retreat for the Qing Dynasty emperors and was later restored and expanded in the 19th century.