The Aachner Rathaus was interesting, with some beautiful artifacts, intricate detailing in each room and spectaular architechture. I think the thing that detracted from it is that its not that big, so when they do a guided group tour, if you are not part of the group and want to go around and enjoy it at your own pace, well it is kind of difficult as the group tends to spill over into every room. But go at a quiet time and you will be impressed.
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