I will be going there in July. Starting in Berlin, and spending a day at the 'ring midway through on the way to Paris with the wife and kids. I am waiting for them to open up the Ring Taxi schedule for next year. Now that I know they have an '86 with the Rent4Ring guys, this is a very tempting option
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I would be interested in you thoughts on what to do, and where to stay there. Drop me a PM, please!