In Finnish, there are six local cases which indicate direction or location.
The choice of the ending varies depending on the place; is it indoors or outdoors.
In these series of pictures, you can see the basic idea of the local case system.

KAHVILAAN→	KAHVILASSA	KAHVILASTA→
(in)to the café	in the café	from the café

KIRJASTOON→	KIRJASTOSSA	KIRJASTOSTA→
(in)to the library	in the library	from the library

PYSÄKILLE→	PYSÄKILLÄ	PYSÄKILTÄ→
(on)to the bus stop	at the bus stop	from the bus stop