This question is used to draw attention to the buildings. This can be written as a statement. Alternate translation: "Look at these great buildings! Not one stone" or "You see these great buildings now, but not one stone" (See: [[rc://en/ta/man/translate/figs-rquestion]])
It is implied that enemy soldiers will tear down the stones. This can be stated in active form. Alternate translation: "Not one stone will remain on top of another, for enemy soldiers will come and destroy these buildings" (See: [[rc://en/ta/man/translate/figs-explicit]] and [[rc://en/ta/man/translate/figs-activepassive]])