Since the discovery of rock paintings,they have always been in a state of destruction,except long wind erosion,the rain and sun,etc.the man-made destruction is the most important factor.Therefore,it is of great practi...Since the discovery of rock paintings,they have always been in a state of destruction,except long wind erosion,the rain and sun,etc.the man-made destruction is the most important factor.Therefore,it is of great practical significance to conduct a comprehensive research of rock painting.展开更多
文摘Since the discovery of rock paintings,they have always been in a state of destruction,except long wind erosion,the rain and sun,etc.the man-made destruction is the most important factor.Therefore,it is of great practical significance to conduct a comprehensive research of rock painting.
