abstract landscape background. boundless horizon of dark water with two blurred gloomy land plots beneath dusk sky

abstract art background bank black blue calm charcoal dark decorative depress dim dismal disstance doodle doom drawn dusk effect element faded faint gloomy grey hand hill horison illustration image ink island land landscape lbasin nature outlines painting postcard reflection sea seascape silhouette sky smudge splash spot surface water watercolor wide