however. Hiking with vision Sunday, 27 August 1893. The 54-year-old Swiss entrepreneur Adolf Guyer-Zeller is hiking above Mürren with his daughter. His gaze sweeps over Lauterbrunnental to Eiger, Mönch and [...] obstacles in the end. Step by step, the visionaries fought their way, first through Eiger and Mönch, then on to Jungfraujoch. Eiger, Mönch and Jungfrau have long fascinated poets, painters and scholars. The first [...] individual stations, where transformers generate the required voltage for operation. Colony at Eiger glacier The Eiger glacier station, from which the tunnel construction is carried out, develops into a colony: