Heiko Kleff, the tour guide with the red shoes, was one of the first to be able to try out the electronic “tour guides” with guests. Photo: Sascha Willms Transmitted directly into tourists' ears Technology ensures that participants on a tour can better hear what the tour guide is saying – even when surrounded by loud noises. Eisenach is catching up: for people participating on city tours, Eisenach now also has modern radio

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