[Tagging] Mapping cave tunnels passable by human

[Mateusz Konieczny]

2014-08-14 12:31 GMT+02:00 Martin Vonwald <imagic.osm at gmail.com>:

> 2014-08-14 12:25 GMT+02:00 André Pirard <A.Pirard.Papou at gmail.com>:
>
>>  On 2014-08-14 11:08, Janko Mihelić wrote :
>>
>>  Well first, tunnel=yes is obviously wrong. We need to replace this with
>> cave=yes. Other than that, I have no problems with this. If a cave has two
>> cave entrances, then information that they are connected by footpaths is
>> valuable information.
>>
>> Obviously?  Regarding paths and waterways, especially ones fitted up for
>> tourism, I wonder...
>>
>
> Maybe not completely obvious, but I would agree with Janko. In my opinion,
> a "tunnel" is man-made, while a "cave" is not.
>

Neither OSM wiki nor Wikipedia restricts it this way. There is even section
about natural tunnels - see
https://en.wikipedia.org/wiki/Tunnel#Natural_tunnels (though caves are not
mentioned there).

Note, I am not a native speaker - maybe it sound terrible, worse than for
example using highway as tag also for private roads.

But I see absolutely no benefit from a completely separate tagging (that
nobody would support).
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