Photo taken on Dec. 22, 2020 shows loading equipment in operation at a coal dock of Huanghua Port in Cangzhou City, north China's Hebei Province. Huanghua Port, one of the key ports for thermal coal transportation in China, has stepped up its turnover rate since this December. A daily average of 500,000 tonnes of thermal coal is loaded to ships at the port now to quench the thirst for coal-fired power generation in southern parts of the country. (Xinhua/Wang Min)

Photo taken on Dec. 22, 2020 shows loading equipment in operation at a coal dock of Huanghua Port in Cangzhou City, north China's Hebei Province. Huanghua Port, one of the key ports for thermal coal transportation in China, has stepped up its turnover rate since this December. A daily average of 500,000 tonnes of thermal coal is loaded to ships at the port now to quench the thirst for coal-fired power generation in southern parts of the country. (Xinhua/Wang Min)

Photo taken on Dec. 22, 2020 shows a ship being loaded thermal coal at a coal dock of Huanghua Port in Cangzhou City, north China's Hebei Province. Huanghua Port, one of the key ports for thermal coal transportation in China, has stepped up its turnover rate since this December. A daily average of 500,000 tonnes of thermal coal is loaded to ships at the port now to quench the thirst for coal-fired power generation in southern parts of the country. (Xinhua/Wang Min)

Photo taken on Dec. 22, 2020 shows a thermal coal yard of Huanghua Port in Cangzhou City, north China's Hebei Province. Huanghua Port, one of the key ports for thermal coal transportation in China, has stepped up its turnover rate since this December. A daily average of 500,000 tonnes of thermal coal is loaded to ships at the port now to quench the thirst for coal-fired power generation in southern parts of the country. (Xinhua/Wang Min)