These set of photos have been taken from one of the Danish low fare airline Sterling's aircrafts on the flight
from Copenhagen (after a train ride from Malmö) to Barcelona August 2004:

Somewhere above Germany or Netherlands.

Flying above the Alpes.

Somewhere above France or Spain.

Just before landing:

Barcelona Airport(BCN), also known as El Prat de Llobregat, just after landing:

The arrival terminal at Barcelona Airport.