Qinghai, home to the headwaters of the Yangtze, Yellow and Lancang rivers, takes on a new look on ecological environment.

BEIJING, Sept. 3, 2019 (Xinhua) -- Qinghai Province, located in northwest China, much of which lies on the Qinghai-Tibet Plateau, is the home to the headwaters of the Yangtze, Yellow and Lancang rivers.

With a population of 6 million and an area of 720,000 square kilometers, the province has taken on a new look on its ecological environment with efforts spent on environmental improvement. In the past five years Qinghai has poured over 10 billion yuan (1.4 billion U.S. dollars) into ecological protection and restoration of roads and other transportation projects.

The Beijing International Horticultural Exhibition holds Qinghai Day event from Sept. 1 to 3.

Cole flower fields are seen in Qilian County, northwest China's Qinghai Province. (Xinhua/Fei Maohua)

Herds graze on a pasture in Qilian County, northwest China's Qinghai Province. (Xinhua/Fei Maohua)

A Tibetan antelope searches for food in Hoh Xil of northwest China's Qinghai Province. (Xinhua/Wu Gang)

Qinghai Lake covered with snow and ice in northwest China's Qinghai Province. (Xinhua/Zhang Hongxiang)

Wild flowers are seen at the foot of the Aemye Ma-chhen Range in northwest China's Qinghai Province. (Xinhua/Fei Maohua)

Aemye Ma-chhen Range seen from a window of a farmer's house in northwest China's Qinghai Province. (Xinhua/Fei Maohua)

Erlangjian scenic spot in Qinghai Lake in northwest China's Qinghai Province. (Xinhua/Zhang Hongxiang)

Herds graze on grassland after snow in Xihai Town of northwest China's Qinghai Province. (Xinhua/Wu Gang)

A naked carp swimming in the Shaliu River, Gangca County of northwest China's Qinghai Province. (Xinhua/Zhang Hongxiang)

The scenery at Mt. Nyanpo Yutse in Tibetan Autonomous Prefecture of Golog of northwest China's Qinghai Province. (Xinhua/Fei Maohua)

The Hoh Xil in northwest China's Qinghai Province. (Xinhua/Wu Gang)

People visit the Qinghai garden at the Beijing International Horticultural Exhibition in Beijing. (Xinhua/Ren Chao)

People visit the Qinghai Garden at the Beijing International Horticultural Exhibition in Beijing. (Xinhua/Ren Chao)