There are more than 30 petroglyph sites in the existing list of thousands of World Heritage sites. At present, petroglyphs have been found in more than 150 countries and regions on five continents. According to research, at least these pictures left in caves on rocks have been It has a history of 30,000 to 40,000 years. In today's perspective, they are more like children's works, exuding all the rotten observations and thoughts of human beings in childhood, and the most authentic writing of humans before there is no text. China is the world One of the areas with the most abundant rock art remains, but before that, none of them became a World Heritage Site. "Zuojiang Huashan Rock Art Cultural Landscape" makes up for this deficiency. From this text, it can be seen that the author's intention is:. ['Rock art is a work of human childhood, a cultural code of dialogue with ancient people.', 'There are a considerable number of petroglyph sites in the existing World Heritage List.', '"Zuojiang Huashan Rock Painting Cultural Landscape" is China\'s first World Heritage of Rock Painting.', 'Petroglyphs are spread all over the world, of which China is one of the most abundant areas.']