צפניה ב:ט פירוש: רש״י

for Moab shall be like Sodom You, too, shall return to your previous dwelling. Was not your father, Lot, from Sodom?

a rattling of nettles The sound made by the nettles growing there because there are no passersby, and they knock against each other and make sounds.

and a salt mine a place for digging salt.