An observatory in Ngari in China's Tibet is marking its 10th year on the "roof of the world."
It is now the observatory with the highest altitude and best astronomical observation point in the Northern Hemisphere.
Produced by Xinhua Global Service
An observatory in Ngari in China's Tibet is marking its 10th year on the "roof of the world."
It is now the observatory with the highest altitude and best astronomical observation point in the Northern Hemisphere.
Produced by Xinhua Global Service
