They were working along the quaywall when I visited in October. It looked like they had broken up a concrete wall (or the pavement?). It also looks like they were mixing portland concrete by hand. I wonder if construction is still done largely by hand in China?
Shanghai's Bridges: Zhejiang Road Bridge (2) by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License.