Salt workers carried loads of salt to the custom house for weighing before sale. Behind the workers is a government official who might be a soldier weighing the salt. This custom house was probably in Ziliujing Qu, Sichuan Sheng.
Cite this image as: "At the custom's barrier, salt industry", in Hong Kong Baptist University Library Art Collections, accessed 23/04/2525, https://bcc.lib.hkbu.edu.hk/artcollection/cim-l088.