Manholes MANHOLEManhole cover at Lake Miyagase Area Lake Miyagase is a man-made lake in Kanagawa Prefecture which supplies water to Yokohama, Kawasaki as well to Tokyo. The area is a beautiful destination to enjoy nature near Tokyo. photos: Junko Nagata ©Japanbyweb.com MAP Continue the Travel Manhole cover: Gokayama Manhole covers: Kasukabe City Manhole cover: Chichibu Pokemon-themed manhole cover Manhole cover: Settaya Manhole cover: Ome City Manhole cover: Sumo Manhole cover: Iru-Tea and Blue Impulse Manhole cover: Miura City Manhole cover: Center Square (Kawasaki) Manhole cover: South Park (Kawasaki) Maebashi, Gunma: Poetry on manhole cover