
Aerial photo taken on Sept. 29, 2021 shows a herd of elks running at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Wednesday. Those elks will be monitored through tracking necklaces based on the Beidou Navigation Satellite System. (Xinhua/Darhan)

Aerial photo taken on Sept. 29, 2021 shows a herd of released elks running at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Wednesday. Those elks will be monitored through tracking necklaces based on the Beidou Navigation Satellite System. (Xinhua/Darhan)

Photo taken on Sept. 29, 2021 shows elks waiting to be released at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Wednesday. Those elks will be monitored through tracking necklaces based on the Beidou Navigation Satellite System. (Xinhua/Darhan)

Aerial photo taken on Sept. 29, 2021 shows a herd of elks waiting to be released at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Wednesday. Those elks will be monitored through tracking necklaces based on the Beidou Navigation Satellite System. (Xinhua/Darhan)

Photo taken on Sept. 29, 2021 shows an elk waiting to be released at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Wednesday. Those elks will be monitored through tracking necklaces based on the Beidou Navigation Satellite System. (Xinhua/Darhan)