Contest #350 answer: Fort near Spijkerboor – Defence Line of Amsterdam, Netherlands

The Defence Line of Amsterdam is a large number of fortifications and inundation areas around Amsterdam.
It is on the UNESCO World Heritage list since 1996

Stelling_van_Amsterdam_the_Netherlands.svg

The Fort bij Spijkerboor is the largest of them all.
Spijkerboor

Those who flooded the polders:

  • Walter_V_R
  • Cloudspotter
  • Paul Voestermans
  • Farceur
  • Lighthouse
  • hhgygy
  • Garfield
  • Phil Ower
  • Eloy Cano
  • DannyS
  • Wista
  • krenek

– Hint –

  • Jill K
  • rob de wolff
  • Marcel

And this ends another series.
We have no less than 4 winners with maximum points and 3 runners up this time!
Kudos to you all.