The system registers non-EU nationals travelling for a short stay whenever they cross the external borders of an EU state, but it does not apply to EU citizens.
A five-month period of work also included renovation of Vuosaari station, including the installation of new escalators, metro platform lighting and a de-icing system.
Domestic media have reported on a new book exposing “modern slavery” in Finland, showing how some immigrants face unpaid work, long hours, and unfair conditions.
Tourists from Germany spent the most amount of nights in Finland during the past summer, with visitors from Sweden and the US in second and third place respectively.