Rutger Hollander
A woman jogs along the Zalige bridge in Nijmegen, Netherlands.
In low-lying Dutch cities, $4 poses a real threat to communties, especially those along the coast. For centuries, dykes have helped manage severe flooding in the seaside town of Nijmegen, for example. But as PRI $4, even those structures are starting to crack, putting the city's infrastructure at risk.
Instead of fighting the rising tides, architects have designed a bridge that adapts to rising sea levels in Nijmegen. Dutch design firms $4and $4 created the $4which is meant to partially flood after storms.
Even when water submerges the bridge, pedestrians can still use its stepping stones to cross it.
Check it out below.