Be careful, there are no machines to validate your...

Be careful, there are no machines to validate your ticket except at the front door and the employees know this and board the bus in the middle, one stop before the airport, and go straight for obvious tourists (the Asian woman first) and demand $40 Euro s.

Despicable business practices, knowingly selling a ticket without instructing them or having any signage and then finding the weakest tourists as they try to leave the City.