Boasting rivers and mountains, Shaanxi enjoys the reputation of being one of the biodiversity hotspots worldwide.

BEIJING, Aug. 24, 2019 (Xinhua) -- As a land-locked province, Shaanxi stretches the drainage areas of the Yangtze River and the Yellow River, the two longest rivers in China.

It boasts main parts of the Qinling Mountains, one of the biodiversity hotspots worldwide, dividing northern temperate zones from subtropical zones. Meanwhile, Shaanxi is habitat of rare protected animals.

Over the past years, Shaanxi Province has been promoting ecological development. For example, Yan'an, commonly termed as "the cradle of the Chinese revolution", has lifted forestation coverage from 46% in 2000 to above 80% in 2019, with new afforestation of 21.3 million mu (about 1.42 million hectare); Yulin, located on the edge of Mu Us Desert, manages to increase forest coverage from 0.9% to 33% in 2019.

Xi'an, a hosting city of the International Horticultural Expo in 2011, pursues to build itself into a livable and eco-friendly city.

From Aug. 22 to 24, the "Shaanxi Day" event is held at the ongoing Beijing International Horticultural Exhibition, in which tourists can view and explore the green development of the historic and ancient land.

Aerial view of a forest park in Qinling Mountains of Chang'an District of Xi'an, July 26, 2019. (Xinhua/Liu Xiao)

Hanjiang river and Yinghu reservoir in Ankang, July 22, 2017. (Xinhua/Shao Rui)

A bullet train runs through cole flowers fields in Xinji Town, Hanzhong City, March 21, 2019. (Xinhua/Tao Ming)

Aerial view of Qinling Mountains, Oct. 23, 2018. (Xinhua/Shao Rui)

The Qiankunwan river bend along the Yellow River, China's second-longest waterway, on the border between Yanchuan County, northwest China's Shaanxi Province and Yonghe County, north China's Shanxi Province, Aug. 14, 2019. (Xinhua/Tao Ming)

Baota Mountain (R, front) in Yan'an, May 11, 2019. (Xinhua/Tao Ming)

Sunset scenery of the Giant Wild Goose Pagoda scenic spot in Xi'an, July 26, 2019. (Xinhua/Shao Rui)

A park in Yuyang District of Yulin, June 4, 2019. (Xinhua/Liu Xiao)

Aerial view of Guanshan Grassland at Longxian County in Baoji, June 12, 2019. (Xinhua/Tao Ming)

A view of South Wutai Mountain at Chang'an District of Xi'an, July 13, 2019. (Xinhua/Liu Xiao)

Xi'an Expo Park in the Chanba Ecological area in Xi'an, June 28, 2019. (Xinhua/Zhang Bowen)

A crested ibis prepares to fly at the Yangxian crested ibis ecological park in Yangxian County, Jan. 19, 2018. (Xinhua/Liu Xiao)

Giant panda cubs Lu Lu (L) and Qiang Sheng play at the Shaanxi Rare Wild Animals Rescue and Breeding Research Center, Sept. 7, 2018. (Xinhua/Zhang Bowen)

Takins are seen in the Qinling Mountains, June 27, 2019. (Xinhua/Tao Ming)

Golden monkeys rest in the giant panda valley of the Qinling Mountain in Foping County, Aug. 3, 2018. (Xinhua/Liu Xiao)

Visitors tour the Shaanxi Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 22, 2019. (Xinhua/Zhang Chenlin)

Visitors are seen at the Shaanxi Garden at the Beijing International Horticultural Exhibition in Beijing, capital of China, Aug. 22, 2019. (Xinhua/Zhang Chenlin)