The world's biggest onshore caisson, as part of a railway-highway bridge across the Yangtze River in Zhenjiang, Jiangsu Province, is put into place on Nov. 10, 2017. (Photo/chinadaily.com.cn)
RIGHT BG
The world's biggest onshore caisson, as part of a railway-highway bridge across the Yangtze River in Zhenjiang, Jiangsu Province, is put into place on Nov. 10, 2017. (Photo/chinadaily.com.cn)