To deliver on China’s bid promises of hosting a "Green Olympics", Zhangjiakou, the co-host city for the 2022 Winter Olympics in North China Hebei province, is applying more green technologies. Photo shows Taizicheng Railway Station under construction in Zhangjiakou. Its roof is covered by photovoltaic power generation facilities.(Photos: People's Daily Online; Compiled by Feng Zhenglin)

This will be the first time in the history of the Olympics that all the venues will be completely powered by green energy. Photo shows a hydrogen-fueled bus running in Zhangjiakou. These buses will help athletes commute for the 2022 Winter Olympics.

Turbine components in a wind power equipment company in Hebei province.

Transformer in a wind power station is in operation.

Standing on the Zhangbei grasslands in Zhangjiakou is a national demonstration project integrating generation, storage and transmission of electricity produced by wind-solar power, the world's largest of its kind.

Several multi-energy storage and transmission demonstration projects have been implemented in Zhangjiakou, which will improve energy conversion and utilization efficiency.

Photo shows the State Grid Corporation of China’s wind and solar power storage and transmission project.

In the Zhangbei grasslands, new energy and herdsmen's life develop harmoniously.