drain drain cover drainage flood lines rain road surface water yellow sewer sign street downpipe flow gutter guttering pipe roof drains floods pavement spring surface water village architecture berlin classic contrast facade germany grey grunewald house modernisation modernization New old rain drain rain water downpipe rural white window windows butt conservation conserve drought green irrigation plastic rainwater storage wastewater background degrade drainpipe grunge rust rusted rusting rusty texture threads urban weathered angle black blue conductor cream down lightning pale perspective shadow sky tall tube vertical wall wire asphalt circle cover detail dirty floor grate grid grungy heavy hole industry iron lid maintenance manhole metal rough sewage shape sidewalk sink steel stone storm waste wet car Leatherhead spray suds