![Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China\'s Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2019/06/12/da9c7e19099e44869cfaf292b819f688.jpg)
Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China's Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)
![Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China\'s Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2019/06/12/aa03e32a7aa54cb3b237dba9896a503a.jpg)
Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China's Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)
![Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China\'s Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2019/06/12/33e1a95a38db429b9019a5eae0f25759.jpg)
Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China's Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)
![Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China\'s Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2019/06/12/c9fff74c94bd4098b803e5a16dc6575b.jpg)
Aerial photo taken on June 11, 2019 shows a car running on the highway linking Zhalonggou with Nianbo Township in northwest China's Qinghai Province. A 50.79-km highway linking Zhalonggou and Nianbo Township in Qinghai Province opened to the traffic on Tuesday. (Xinhua/Zhang Hongxiang)