the lake in williamson park in lancaster, lancashire

woodland williamson waterway water tree stream river reservoir reflection pond plant park nature leaf lancaster lancashire lake garden flower canal autumn public green landscape peaceful retreat reflection urban space foliage non-urban scene tranquil beauty nature natural parkland panoramic idyllic spring scenic trail tranquil escape wildlife pretty environment tree uk public park natural north west england beautiful feature outdoor outdoors ornamental lake green trees water beauty autumn wilderness duck pond lancashire