Can Japanese subway system work as a bomb shelter in time of war?

Invasion of Ukraine highlights nation's unpreparedness for crisis

20220501TK Oedo line gate

Tokyo has only a limited number of facilities that can be safe shelters, such as stations on the Toei Oedo Line that lie more than 40 meters underground. (Photo courtesy of B Lucava) 

Nikkei staff writers

TOKYO -- Subways in Ukraine's capital of Kyiv stopped operations following the launch of attacks by Russian troops. Stations, as deep as 105 meters underground, became temporary bomb shelters as citizens brought in blankets and tents to protect themselves from Russia's threat of nuclear attack.

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