Photo shows Tibetan gazelles which are national protected animals in the Mitika Natural Reserve of Lhari County, Nagqu Prefecture, Tibet Autonomous Region. [China Tibet News/Tenzin Chosphel]

In recent years, Tibet has been deeply implementing the ecological security barrier protection and construction planning, positively advocating the concept of ecological civilization, and building ecological protection zones, so as to promote the overall stability of the plateau ecosystem, realize the ecological benefits of key engineering areas, and strengthen the national ecological security barrier.