Aerial photo taken on April 3, 2019 shows the Sanduxi-Zhonghe section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province. Construction of the Sandu-Libo expressway in southwest China's Guizhou Province has been fully completed by this Wednesday. The 75.9-km expressway was built with a total investment of 8.89 billion yuan ($1.33 billion) and a design speed of 80 kilometers per hour.

Aerial photo taken on April 3, 2019 shows the Sanduxi-Zhonghe section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Shuixihe bridge of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Sanduxi-Zhonghe section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Zhonghe-Zhouqin section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Shuixihe bridge of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Zhouqin section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Zhonghe-Zhouqin section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Sanduxi-Zhonghe section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Shuige-Libodong section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province.

Aerial photo taken on April 3, 2019 shows the Zhouqin-Shuige section of the newly completed Sandu-Libo expressway in southwest China's Guizhou Province. (Photos: Xinhua)