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Algae well cultural relic Gao Junping lotus Longmen Grottoes Research Institute Painting
03-09
![Technology + Cultural Relics! See how colorful the Lotus Algae Well of the Longmen Grottoes was more than 1500 years ago[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)