Art designer Feng Shuxuan colors a tree bark carving titled The Boa in Zoological and Botanical Garden 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)