city clouds colors darkness dusk evening leipzig lights night orange red sky sunset town urban architecture belfry bell church classic decay places porto Portugal religion religious saavem style tower agriculture farmland fields grass green green fields landscape meadow meadows nature non-urban scene summer alone building dark empty glass office one play skyscraper window work place background broken curve curved curves dirty element elements old roof sinusoidal texture uralite abstract bicolor colorized design grunge grungy peeled scratched white concrete granite gray marble natural pavement stone texture. grunge backdrop cracked paint painted pattern