A snowsheds built on the US pacific railroad through the Sierra Nevada to prevent avalanches of snow from blocking the line. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
Bildgröße: | 4784 px × 6975 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |