Beijing Olympic Park is located in Chaoyang District, serving as the core area for both the 2008 Summer Olympics and the 2022 Winter Olympics. The park features iconic structures such as the National Stadium (Bird's Nest), the National Aquatics Center (Water Cube/Ice Cube), and the Olympic Forest Park. The Bird's Nest is renowned for its innovative steel structure, while the Water Cube is the world's largest ETFE membrane structure.