ykanazawa1999: Shiny Tunnel in Shinjuku
ykanazawa1999: Sendai-zaka Tunnel
ykanazawa1999: Tunnel under Daishi-bashi
ykanazawa1999: At the End of the Ring Road No.8
ykanazawa1999: The Way into Summer
ykanazawa1999: Ventilating System of Shutoko Wangan Line Tamagawa Tunnel
ykanazawa1999: Ohashi Junction under Construction
ykanazawa1999: Ukishima Ventilating Systems
ykanazawa1999: Ring Road No.8 Underpass in Haneda airport
ykanazawa1999: Route 357 Underpass in Haneda Airport
ykanazawa1999: 80t Crane Constructing Yamate-tunnel Ventilating Tower
ykanazawa1999: Under Haneda A-Runway
ykanazawa1999: Well-known Low-ceilinged Tunnel in Shinagawa
ykanazawa1999: Seta Art Tunnel
ykanazawa1999: West Entrance of the Low-ceilinged Tunnel in Shinagawa
ykanazawa1999: East Entrance of the Low-ceilinged Tunnel in Shinagawa
ykanazawa1999: Shutoko Wangan Line Tunnel Ventilating System
ykanazawa1999: Entrance of Ring Road No.8 Underpass beneath A-Runway of Haneda Airport
ykanazawa1999: Beautiful Curved Surface under the Ground
ykanazawa1999: Eastern Entrance of Ring Road No.8 Underpass beneath A-Runway of Haneda Airport
ykanazawa1999: West Exit of Tokyo-ko-Tunnel
ykanazawa1999: Ventilating Tower of Yamate-tunnel
ykanazawa1999: Under Ogu-bashi and Adachi-odai Station
ykanazawa1999: Entrance of Undersea Pedestrian Tunnel
ykanazawa1999: Door to the Undersea Pedestrian Tunnel
ykanazawa1999: Slope of Undersea Pedestrian Tunnel
ykanazawa1999: Emergency Door of Undersea Tunnel
ykanazawa1999: Cables Connected on the Ceiling of Undersea Tunnel
ykanazawa1999: Ventilating Systems in Higashi-ogi-jima and Ukishima
ykanazawa1999: The Door to the Surface