Some time ago, the city of Linz was called Linz on the Danube and all because the city and the river are inextricably linked both in the past and in the present. For many centuries the Danube was the main transport artery along which the Romans, crusaders, ordinary merchants and crowned persons sailed. He contributed to the spread of the Christian faith and achievements both in the field of culture and in business activities carried by missionaries who also sailed along this river. Now tens of thousands of tourists cruise along the Danube...