The old Macy's @ 34th and Broadway- NYC has wooden floor joists- at least on the SE corner of the ground floor... The don't build em like they used to cause there's laws against it -- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: <http://maelstrom.stjohns.edu/archives/bullamanka-pinheads.html>