Science teaches us that matter moves from order to disorder. Amazingly, the same thing can happen to buildings! What once was sparkling and new can eventually slide into disrepair. Building owners ...

The recent collapse of the Great Wall’s "Moon Gate" — a well-known landmark in Guangwu, Shanxi province — has put protection of the wall into the limelight a second time in a few weeks. The gate, ...

Night view of the Shanhai Pass, which is located at the eastern terminal of the Great Wall, in the city of Qinhuangdao, North China's Hebei province, October 11, 2009.[Photo provided to chinadaily.com ...