This long-time exposure photo taken on Aug. 13, 2020 shows the Perseid Meteor Shower in Zhangye Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Photo by Zhong Xiaoliang/Xinhua)

This long-time exposure photo taken on Aug. 13, 2020 shows the Perseid Meteor Shower in Zhangye Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Photo by Zhong Xiaoliang/Xinhua)

This long-time exposure photo taken on Aug. 12, 2020 shows the Perseid Meteor Shower in Zhangye Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Photo by Zhong Xiaoliang/Xinhua)

This long-time exposure photo taken on Aug. 12, 2020 shows the Perseid Meteor Shower in Zhangye Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Photo by Zhong Xiaoliang/Xinhua)

This long-time exposure photo taken on Aug. 13, 2020 shows the Perseid Meteor Shower in Zhangye Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Photo by Zhong Xiaoliang/Xinhua)