Metro train tunnel construction. Worker crouching on segment linings. These are made of pre-cast concrete and are bolted together to form the internal wall of the tunnel. This construction work took place between 2000 and 2005,on the Paris Metro,the underground train system in Paris,France. The Paris Metro was founded in 1900,and by 2005 had over 200 kilometres of tunnels and over 300 stations | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Landmann, Patrick |
Bildgröße: | 3425 px × 5197 px |
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Eigentums-Rechte: | nicht erforderlich |
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