On Fri, 4 Jun 2010, M∡rtin Koppenhoefer wrote: > if you see it in its historical context, it does look much more like a > tower though: > http://www.checkpoint-bravo.de/grafik/ausstellung.jpg It isn't a tower, but it functioned as a watchtower So is a "tower" in OSM going to be the form, or the function?