U1
Berlin 
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As one of the first railway lines in Berlin, the U1 was of great importance for the structural development of the city. What seems to be a taken-for-granted element in the urban fabric today is the expression of a complex planning process and marks the beginning of a complete new urban structure. Numerous locations where created - above and below ground. With its diverse places and complex spaces, the U1 is a significant element of the urban landscape.