Why is Finland building an underground city? | ABC News

While the threat from neighbours Russia prompted Finland to begin constructing a huge network of underground facilities in the 1950s, the work continues to this day — a series of 400 separate facilities and tunnels that stretches beneath the Finnish capital of Helsinki. But why is Finland continuing this massive construction?

Read more about Helsinki's tunnels here: https://ab.co/2O6BknK

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Видео Why is Finland building an underground city? | ABC News канала ABC News (Australia)