What happens behind the scenes in the subway is not visible to passengers. Security-related technology of the west metro is world-class. https://t.co/OsA6zCDFGm @ABBgroupnews #metro #safety #länsimetro #passangersafety
— Länsimetro (@metrorakentuu) February 26, 2020 10:50
Matka Länsimetron salaisiin tiloihin