Try this itinerary, recommended by residents or metro enthusiasts:
At the main station (Rautentiatori) walk outside the building to take a look at its Art Deco architecture by Eliel Saarinen. In Kaisaniemi station, watch out for the works of art behind glass at one end of the platform.
Older trains have a faint chime sound before closing the doors, newer trains have three beeps. Next-station announcements are in Finnish and Swedish, Rautatientori station (central station) also in English.
Helsinki
Train departing from Rautatientori station (central station).
