Sitter Viaducts, St. Gallen, Switzerland, 08/29/2017 Masonry arch bridge of the SBB built between 1924 and 1925 Across the Sitter River. Arches are 30 metres and the height is 63 metres. This work is licensed under a Creative Commons Attribution- NonCommercial 4.0 International License

Sitter Viaducts, St. Gallen, Switzerland, 08/29/2017 Masonry arch bridge of the SBB built between 1924 and 1925 Across the Sitter River. Arches are 30 metres and the height is 63 metres. This work is licensed under a Creative Commons Attribution- NonCommercial 4.0 International License