Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)

Photo taken on June 23, 2019 shows a night view of the Xiangyun Bridge across the Fenhe River in Taiyuan, north China's Shanxi Province. (Xinhua/Zhan Yan)