Trier, located on the banks of the Moselle River, is considered the oldest city in Germany.
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It has a well-preserved Roman amphitheatre that is the location of an annual theatre/music festival featuring classic Greek writers and operas dealing with ancient myths. The Trier cathedral is home to the Holy Tunic, presumably the robe Jesus wore when he died; the relic is on display every few decades. A Slate Mine Museum located in Fell, just outside Trier, affords visitors an opportunity to experience two typical roof slate mines from around 1900.
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