On Thu, Aug 14, 2014 at 11:31 AM, Martin Vonwald <[email protected]> wrote:
> Maybe not completely obvious, but I would agree with Janko. In my opinion, a > "tunnel" is man-made, while a "cave" is not. On the whole, yes, but there are some artificial underground cavities that are referred to as caves, I think, such as large chambers in salt mines. __John _______________________________________________ Tagging mailing list [email protected] https://lists.openstreetmap.org/listinfo/tagging
