国会議議事堂前駅を中心に掲載しています。
Kokkai gijidomae (National diet building station) is the deepest station in Tokyo Metro (37.9 m). The tunnels are built with shield method, so the wall is rounded. During the renovation in 2009, the wall was bare iron style.
国会議議事堂前駅を中心に掲載しています。
Kokkai gijidomae (National diet building station) is the deepest station in Tokyo Metro (37.9 m). The tunnels are built with shield method, so the wall is rounded. During the renovation in 2009, the wall was bare iron style.