The visitors terrace is free for visit and provides a nice view throughout the runway. Also, the…read morearrival is very small, you're making it very fast through security and baggage claim.
You'll better leave the airport then as there's nothing more to see.
The expensive rates for coffee (4€) and coke (3.50€) and a coffee machine in the arrival section that was out of order (offering coffee for around 2.50€ and soup) and a lift that makes you crazy (slow and always stopping where you don't wanna go) combined with a dark arrival section results in just 2 stars out of 5.