The invisibility bridge is seen by anyone who looks like it is wading
If you take a quick look at the ditch around the Fort de Roovere defense tower in the Netherlands, visitors can hardly detect the entrance hidden under calm water.
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Once a defensive ditch from the 17th century, the West Brabant ditch was built to protect the flooded fortresses and cities in Halsteren, Netherlands. This trench system was deep enough to prevent armies from invading by land, still shallow enough that ships could not pass by.
Hao Hao has been useless since the 19th century, but since 2010 the RO&AD architects team has embarked on a project to recreate the landscape here to become a public space for people to exercise and relax.
The architects didn't want to break the ditch to connect the two sides of the dirt with a bridge that led into the main Fort de Roovere defense.
The idea of building a stealth bridge is the solution to both create a walk for the people and keep the moat in history. Video: Revista Landuum.
The invisibility bridge is made entirely of waterproof wood, with the structure like a small groove disappearing under a moat.
Seen from either side, visitors will clearly see how the bridge turned water. This image is reminiscent of the story of the prophet Moses, who God set the Red Sea to save the people of Israel from the sword of the Egyptian army. This is also the reason it was named Moses Bridge.
Even those who worry far away can safely cross the bridge in the flood season.
The architects calculated the height or depth of the bridge so it would remain safe during floods. When the water rises, the flow will flow into the small dams on both sides of the trench, before entering the bridge. A pump is also installed to prevent water from overflowing from the dam.
The bridge leading into the defense zone will give visitors the opportunity to enjoy the most convenient landscape, while the moat is kept original. The group of architects also wanted to create a strong impression that the water had to turn its way to invite visitors to visit.
In winter, the frozen moat completely becomes a natural ice rink for visitors.