Capital Indoor Stadium Capital Indoor Stadium The Capital Indoor Stadium () is an indoor arena in 56 Zhongguancun South Street, Beijing, China that was built in 1968. It hosted matches between national table tennis teams of China and the United States in 1971; these matches were part of the exchange program known as "ping pong diplomacy". It has a capacity of 17,345 and a floor space of 54,707 square meters expanded from the old 53,000. It was renovated in 2001 to become a venue for the 2001 Summer Universiade. The stadium hosted one of the first NBA games in China, hosted on October
Bird nest called caliology. Bird nests are also built by humans to help in the conservation of certain birds (such as swallows). Swallow nests are generally built with plaster, wood, terracotta or stucco. Artificial nests, such as nest boxes, are an important conservation tool for many species, however nest box programmes rarely compare their effectiveness with individuals not using nest boxes. Red-footed falcons using nest boxes in heavily managed landscapes produced fewer fledglings than those nesting in natural nests, but also than pairs nesting in nest boxes in more natural habitats. Bird nest A bird nest is the spot in which a