Aerial photo taken on May 14, 2018 shows the Liuzhou Guantang Bridge in South China’s Guangxi Zhuang autonomous region. The middle bridge arch, weighing 5,885 metric tons, was successfully hoisted to its installation position on May 14.[Photo/Xinhua]

Aerial photo taken on May 14, 2018 shows the Liuzhou Guantang Bridge in South China’s Guangxi Zhuang autonomous region. The middle bridge arch, weighing 5,885 metric tons, was successfully hoisted to its installation position on May 14.[Photo/Xinhua]

Aerial photo taken on May 14, 2018 shows the Liuzhou Guantang Bridge in South China’s Guangxi Zhuang autonomous region. The middle bridge arch, weighing 5,885 metric tons, was successfully hoisted to its installation position on May 14.[Photo/Xinhua]

Aerial photo taken on May 14, 2018 shows the Liuzhou Guantang Bridge in South China’s Guangxi Zhuang autonomous region. The middle bridge arch, weighing 5,885 metric tons, was successfully hoisted to its installation position on May 14.[Photo/Xinhua]