Transfer with sightseeing from Rivercruise Viking in Passau to Salzburg including sightseeing of Sound of Music. Didi Niederkofler Austriaguide with VAN4EIGHT de, en, es, fr, it, pt www.dididobrasil.com #dididobrasil #van4eight #austriaguide #privatetours @dididobrasil #RiverCruise