vintage aviation (not a vintage photo ,not from WWl or any war, not the first woman mechanic or anything like that - this is a modern photo. Nothing wrong with staging "vintage" photos, but people seem to take them as "real" old photos.
The designer used the lacquered OSB boards for the flooring and the furniture. The desk of this office is made from the OSB. The desk itself is covered with an artificial leather to make the sketching and drawing more comfortable.