![](http://www.alamy.com/thumbs/6/AF5D7ECF-F8A0-4779-8C3E-99E51BBBC599/W865FF.jpg)
Lyon (south-eastern France): the “aretes de poisson” (“fish bones”), a network of underground galleries located under the Croix-Rousse district.
Size: 5913px × 3947px
Location: Lyon France
Photo credit: © Pluquet / Alpaca / Andia.fr / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: architecture, arete, basement, bone, caver, corridor, croix, curiosity, de, fish, fortification, gallery, historical, infrastructure, infrastructures, labyrinth, maze, monument, network, ordinary, poisson, rousse, transport, tunnel, tunnels, type, underground, unusual