[Tagging] Defacto: man_made=storage_tank

[Martin Koppenhoefer]

> Am 17.04.2015 um 17:40 schrieb Friedrich Volkmann <bsd at volki.at>:
> 
> Bridges? Masts? Fences? Rails? Flagpoles? Power lines?
> 
> Maybe everything that looks like a building, smells like a building and
> behaves like a building, but not all structures.


bridges yes, the others not, see here for a long list of non-building structures and how many of them are tagged as buildings in osm: http://en.m.wikipedia.org/wiki/Non-building_structure

cheers 
Martin