Children paint in fields in Changxing County, east China's Zhejiang Province, on April 2, 2019. Children from a kindergarten joined in a painting activity with collected leaves and blossoms as pigments. (Xinhua/Xu Yu)

Children paint in fields in Changxing County, east China's Zhejiang Province, on April 2, 2019. Children from a kindergarten joined in a painting activity with collected leaves and blossoms as pigments. (Xinhua/Xu Yu)

Children collect blossoms as pigments in Changxing County, east China's Zhejiang Province, on April 2, 2019. Children from a kindergarten joined in a painting activity with collected leaves and blossoms as pigments. (Xinhua/Xu Yu)