Aerial photo taken on Oct. 31, 2020 shows a freight train full of coal leaving Yulin Xiangdao International Logistics Park in Yulin City, northwest China's Shaanxi Province. Since the operation in June of 2019, Xiangdao International Logistics Park has sent 16.87 million tonnes of goods, among which 96 percent were coal. (Xinhua/Tao Ming)

Workers load cargos with automatic equipment at Yulin Xiangdao International Logistics Park in Yulin City, northwest China's Shaanxi Province, Oct. 31, 2020. Since the operation in June of 2019, Xiangdao International Logistics Park has sent 16.87 million tonnes of goods, among which 96 percent were coal. (Xinhua/Tao Ming)

Workers are seen at Yulin Xiangdao International Logistics Park in Yulin City, northwest China's Shaanxi Province, Oct. 31, 2020. Since the operation in June of 2019, Xiangdao International Logistics Park has sent 16.87 million tonnes of goods, among which 96 percent were coal. (Xinhua/Tao Ming)

Aerial photo taken on Oct. 31, 2020 shows a view of Yulin Xiangdao International Logistics Park in Yulin City, northwest China's Shaanxi Province. Since the operation in June of 2019, Xiangdao International Logistics Park has sent 16.87 million tonnes of goods, among which 96 percent were coal. (Xinhua/Tao Ming)

Aerial photo taken on Oct. 31, 2020 shows a freight train full of coal leaving Yulin Xiangdao International Logistics Park in Yulin City, northwest China's Shaanxi Province. Since the operation in June of 2019, Xiangdao International Logistics Park has sent 16.87 million tonnes of goods, among which 96 percent were coal. (Xinhua/Tao Ming)