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On May 9, 2019, a field trip titled "Around the Most Corridor - a Unique Transport Engineering Structure" took place, which has no equivalent in the world. It consists not only of a road, a railway track, a tram rapid transit line, or the diversion of the Bílina River (Běla), but also many other accompanying structures concentrated in a small area approximately 150 meters wide and 4.7 kilometers long.