as an experimental program promoted by unesco and some other institutions, china national geopark program was first proposed in 1972 in the seventeenth unesco convention convened in paris, france. it was formally started in 1989. in august, 2000, mechanism of the declaration and judgments of the national geopark was established by china ministry of land and resources. up to now, there are 138 national geoparks in china. in april, 2001, zigong dinosaur national geopark was listed as one...