This photo taken on Aug. 3, 2023 shows a night view of Lanhe River in Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

Artists perform by the Lanhe River in Langao County, northwest China's Shaanxi Province, Aug. 3, 2023. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 4, 2023 shows the scenery of Shenheyuan scenic spot in Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 3, 2023 shows tourists watching the scenery of Lanhe River in Nangongshan Town of Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 3, 2023 shows the scenery of Lanhe River in Nangongshan Town of Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

Tourists take photos on a boat in Langao County, northwest China's Shaanxi Province, Aug. 3, 2023. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 3, 2023 shows the scenery of Lanhe River in Nangongshan Town of Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 4, 2023 shows the scenery of Shenheyuan scenic spot in Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

This aerial photo taken on Aug. 4, 2023 shows a view of Langao County, northwest China's Shaanxi Province. Located in the Qinba mountains of Shaanxi, the county of Langao has utilized its natural and cultural resources in recent years to promote high-quality development through tourism industry. In the first half of 2023, the county received more than four million tourists, up 63.65 percent year on year. (Xinhua/Shao Rui)

(Web editor: Peng Yukai, Sheng Chuyi)