Contest #350 hint

Part of an UNESCO World Heritage Site

2 Replies to “Contest #350 hint”

rob de wolff says:

June 20, 2014 at 00:24

Near Spijkerboor, part of the Beemster WHS
52.540903° 4.843101°
Marcel says:

June 20, 2014 at 19:32

fort spijkerboor west-beemster

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