One of the many blast doors in Helsinki’s civil defence caves, in Finland. As the war in Ukraine rages on and Finland’s president warns of renewed Russian aggression, Finns are reminded that the country’s many underground recreational venues, metro stations and parking garages, housed in a massive network of caves that were dug over decades into their bedrock, are also civil defence shelters, that could save their lives. — Vesa Laitinen/The New York Times
ON a Saturday morning in Helsinki, Lassi Kurkijarvi and his four-year-old daughter stepped into an elevator near Hakaniemi market square.
