Water between

This photograph was taken at the northern train station in Changchun, China:The sign reads: kāishuǐ jiān 开水间 ("water between").We recently encountered similar signs in "Opens the waterhouse; open water rooms", where the same kāishuǐ jiān 开水间 as here was translated as "open water rooms". Since we've already fully dissected that mistranslation and explained [...]