Art designer Feng Shuxuan maintains the tree bark painting work titled The Flamingo in Zoological and Botanical Gardens of Changchun in Changchun, capital of northeast China's Jilin Province, July 11, 2019. More than 40 carving works made with tree barks and paintings created by Feng Shuxuan, an art designer working in the garden, are applied on the trees to cover the scars. (Xinhua/Wang Haofei)