Mutianyu Great Wall, located in Huairou District, Beijing, is one of the best-preserved and most beautiful sections of the Ming Dynasty Great Wall. Built in 1368 by General Xu Da on the ruins of the Northern Qi Dynasty’s wall, it stretches 5.4 km with 20 watchtowers open to visitors. Famous for its double-sided battlements and iconic Zhengguan Terrace (three connected watchtowers), it boasts a 96 percent vegetation coverage, offering stunning scenery year-round. A 5A-level scenic spot and part of the World Heritage Site, it’s known as "the most beautiful Great Wall under heaven".

Bird's Nest and Water Cube (Short English Intro) National Stadium (Bird's Nest) Nicknamed the Bird's Nest, it is the main stadium for the 2008 Beijing Olympics. Featuring a unique steel structure, it hosts sports events and performances. National Aquatics Center (Water Cube) Known as the Water Cube, it was the venue for Olympic swimming and diving competitions. Its bubble-style exterior is a distinctive landmark in Beijing.