What is Tiananmen square made of?

Tiananmen Square, located in Beijing, China, is primarily made of concrete and stone. The square is paved with large stone slabs and features various monuments, including the Monument to the People's Heroes and the Great Hall of the People. Surrounding the square are notable buildings, including the Mausoleum of Mao Zedong and the National Museum of China, which are constructed from stone and other materials. Overall, the square's design emphasizes its monumental and symbolic significance in Chinese history.