calm colors hills landscape mountains peace still stillness sun water winter alone boat china chinese corner garden green humble mirror old pond quiet reflection wallpaper waters autumn orange peaceful placid river trees clear water glassy lake leaves old Tree Roots still water tree clouds sandspit sea sunset backdrop background leaf loch muted boats marina yachts duck duckweed plant plants texture weed Jetty landings moorings river bank summer afloat floating lilly pad surface tranquil water lillies wet