Ningxia articles missing geocoordinate data

Damaidi (; literally: Big wheat field) is the location of 3,172 sets of early Chinese petroglyphs, carved into the cliffs which feature 8,453 individual figures. Cliff carving expert Li Xiangshi stated that "The pictographs are similar to the ancient hieroglyphs of Chinese characters and many can be identified as ancient characters," Another expert said "Through arduous research, we have found that some pictographs are commonly seen in up to hundreds of pictures in the carvings," said Liu Jingyun, an expert on ancient Oracle Bone characters. The size, shape and meanings of the pictographs in d