Complex sentence: BVB are owned by and operate in the Basel-Stadt, the small canton containing the inner city and its green trams operate mostly in the city, although the terminuses of its lines 3 and 6 are in the more rural canton of Basel-Land.
Split into simpler sentences: BVB are owned by and operate in the Basel-Stadt, the small canton containing the inner city. Its green trams operate mostly in the city, although the terminuses of its lines 3 and 6 are in the more rural canton of Basel-Land.