CHINA-MOUNT QOMOLANGMA-ECOLOGICAL ENVIRONMENT (CN)

(230525) -- LHASA, May 25, 2023 (Xinhua) -- This photo taken on May 13, 2023 shows a blue sheep and a yellow-billed chough in Qomolangma National Nature Reserve, southwest China's Tibet Autonomous Region. The ecology of the Mount Qomolangma region continues to improve, as China has made progress in ecological and environmental protection over the years, experts have said as scientific research on the world's highest peak continues. TO GO WITH "Mt. Qomolangma region witnesses improving ecological environment: experts" (Photo by Tenzin Norbu/Xinhua)