Love the idea, but I just can't get over that price tag - 604m USD. For comparisions, here in Vienna they build a similarly ~2km long stretch for pedestrians fo

Love the idea, but I just can't get over that price tag - 604m USD. For comparisions, here in Vienna they build a similarly ~2km long stretch for pedestrians for only 25m EUR. Does any SF resident know more about the included building projects here?