The painted murals in the Dunhuang Grottoes along the ancient Silk Road in China form the world's longest painted corridor, with a total of 45,000 square metres of painted murals.

中国丝绸古道上的敦煌莫高窟内的壁画是世界最长的石窟画廊。 窟内有壁画45,000余平方米。