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jewel Hunan Geological Museum diamond Yuanshui Pan Cunyun
05-01
Hunan Geological Museum Pan Cunyun Song Ruixiang National University of Defense Technology
04-18
![Invite the landscape into the painting, please the sun and the moon shine together, and open the warm prologue of "Reunion" gem culture and creativity[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
