> Am 27/set/2013 um 12:18 schrieb Matthijs Melissen <info at matthijsmelissen.nl>: > > Also, wouldn't we be able to use waterway=canal, tunnel=yes (or whatever tag we use for underground waterways)? Possibly combined with qanat=yes? I'd rather use something like canal_type=qanat instead of sth looking like an attribute cheers, Martin