If I may suggest,
It was 35 years ago when I was in Europe, but everybody is right, the trains are an excellent way to travel. They were on time and there were alot of them. There used to be someting called a Eurorail Pass. It was bought in advance and good for a certain time period. It was good all over Europe and you could ride the trains all you wanted for the purchase price. I don't know if it's still available but any travel agent should be able to tell you. Probably somewhere on the net too.
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