This can be translated in active form. AT: "in which they found the mildew" (See: [[rc://en/ta/man/translate/figs-activepassive]])
# an unclean place
A place that is unfit for people to occupy or to be used for God's purposes is spoken of as if it were physically unclean. (See: [[rc://en/ta/man/translate/figs-metaphor]])