atmosphere cold coruña eu freeze frozen galicia hail hailstone hard ice ledge meteorological nature phenomenon rain signal sill Spain stone traffic white window architecture building classic Coruña elements front green saavem texture tile tiled tiles abstract appearance background cool growth hailstones path pathway pavestones paving scattered scattering shapes Sizes surface surfaced surfaces surfacing textured textures thick thin water weeds wet edge edging hailstorm icy marbles round storm stormy weather