Group of people gathering around two new acquired machineries. People on left are playing the drums and Bo (a Chinese percussion instrument) to celebrate.
Cite this image as: "巩固工农联盟 加强无产阶级专政", in Hong Kong Baptist University Library Art Collections, accessed 01/12/2323, https://bcc.lib.hkbu.edu.hk/artcollection/k27-106.