The Confusing Borders of Lake Constance

If you're sitting on a boat in Lake Constance, are you in three countries at once? Or just in one? Does it even matter? Because strangely, it turns out there are parts of the world where no-one really minds when international borders are not just ignored, but are completely undefined.

SOURCES:
Smith, B. (2001). Fiat Objects. Topoi, 20(2), pp.131-148.
http://ontology.buffalo.edu/smith/art...

Khan, D. (2004). Die deutschen Staatsgrenzen. 1st ed. Tübingen: Mohr Siebeck.

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