Aerial photo taken on June 1, 2019 shows the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)

Photo taken on June 1, 2019 shows people walking on the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)

Photo taken on June 1, 2019 shows people walking on the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)

Aerial photo taken on June 1, 2019 shows a village in Tangjiawan Town near the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)

Photo taken on June 1, 2019 shows people walking on the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)

Aerial photo taken on June 1, 2019 shows people enjoying scenery on the Xiangshan ancient road in Zhuhai City, south China's Guangdong Province. After several years of maintaining, the Xiangshan ancient road in Zhuhai has become a site of cultural heritage and also an exploring destination for climbers. (Xinhua/Tao Ming)