Add punctuation: Among her interests are traveling North American literature foreign languages and alternative music
A: Among her interests are traveling, North American literature, foreign languages and alternative music.

Add punctuation: This cozy apartment in Barcelona also has a full kitchen with everything you need to cook during your stay in Barcelona
A: This cozy apartment in Barcelona also has a full kitchen with everything you need to cook during your stay in Barcelona.

Add punctuation: At some airports including Helsinki Oulu and Stockholm Arlanda the machine will also print your bag tags
A:
At some airports, including Helsinki, Oulu and Stockholm Arlanda, the machine will also print your bag tags.