caldera lake rodder maar in the eifel with reed and water lily carpet

white wetland water volcanic vegetation typical tree tall surrounding surface sky shoreline shore setting serene scattered rodder river reservoir region reflection reeds reed pond peaceful parts nature natural meadow marsh maar lush lily lilies landscape lakes lake illustrating horizon harmoniously greenery green grass found forests foreground fluffy features enhancing eifel dense covering clouds cloud carpet calm caldera bright bordered blue blends volcano vulcanic forest rural remote quiet leisure idyllic