The press center of the 19th National Congress of the Communist Party of China (CPC) holds a group interview on "securing victory in the hard battle for better environment" in Beijing, capital of China, Oct. 23, 2017. Zhu Hua, head of the Fujian Provincial Environmental Protection Department, Gao Jianmin, head of the Hebei Provincial Environmental Protection Department, Zhang Lihua, president of the Liaoning Provincial Research Academy of Environmental Sciences, Huang Bin, director of the Analysis Division of the Environmental Monitoring Center of the Zhangjiajie Municipal Environmental Bureau of Hunan Province, and Hu Guanjiu, deputy director of the Jiangsu Provincial Environmental Monitoring Center, answered questions at the group interview. (Xinhua/Li Xin)