💧 Dutch Water Defence Lines: Group shelter type P
Military shelter within the Hollandse Waterlinie, Netherlands' 17th–19th century flood-based defence system
📌 Fast Facts
- Location: Netherlands, part of Hollandse Waterlinie network
- Type: Underground military shelter, flood-resistant design
- Period: 17th–19th centuries, with ongoing preservation
- UNESCO inscription: 1996
Group Shelter Type P is a reinforced underground military structure in the Netherlands that forms part of the Hollandse Waterlinie, a UNESCO World Heritage Site. The Hollandse Waterlinie was inscribed as a UNESCO World Heritage Site in 1996 for its innovative use of water and landscape as a primary defence mechanism. As of 2026, the shelter remains preserved and accessible as part of the wider Hollandse Waterlinie heritage landscape, maintained for educational and heritage purposes. This ...