Germany Created Parking Lots Made of Permeable Grass Tiles — Allowing Rainwater to Soak Through In Germany, many cities are replacing traditional concrete parking lots with permeable grass grid tiles, a smart blend of urban design and environmental engineering. These reinforced grids support the weight of vehicles while leaving open spaces filled with soil and grass. Unlike asphalt, these grass tiles allow rainwater to seep directly into the ground, reducing surface runoff, preventing urban floo