In Kaifeng, which was the capital of China during the Northern Song Dynasty (960-1127), there is a very old stone bridge, probably built in the eighth century. Chinese archaeologists were working at one end of the bridge last year when they discovered these amazing stone reliefs. They seem to have been added to the bridge in the 10th century.
Below, details. For reasons I don't understand, all the news accounts refer to these as "stone murals." Translation error? Look closely and the second image above and you can see that the stone rows have shifted, and the bird's head is now three stones away from its neck.