This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Annotated Book of Alchemy by Tao Zhi WDL. Artwork ru fr Tao Zhi en Tao Zhi zh pt Tao Zhi ar es Tao Zhi ru fr Ouvrage annot de TaoZhi en Annotated Book of Alchemy by Tao Zhi zh pt Livro de alquimia comentado de Tao Zhi ar ru Tao gong huan jin shu Jingyang han shi ji Dao zangTao gong huan jin shueJingyang han