- #30DayMapChallenge Day 8: Urban On #WorldUrbanismDay, I highlight the most paved municipality in the Netherlands: Krimpen aan den IJssel (43.3%), with Kortland-Noord at nearly 53%. This Imperviousness Map was made by Friedenau Society for Climate Adaptation Services, derived from AHN LiDAR + BGT.Nov 8, 2025 14:39