Kitchen, Subway Tile Backsplashe, Concrete Backsplashe, Recessed Lighting, Wood Cabinet, Range, and Stone Counter Black stone worktops, waxed concrete walls, and the traditional rustic tiles (called “witjes”) give textural and tonal variety and offset the warm woody tones that dominate this kitchen. The rustic theme is continued in the iron hooks and bars—simple but effective fittings.  Photo 1 of 4 in A Live-In Kitchen on a Houseboat in Amsterdam