Excavators moving gravel and boulders in the Thur river,canton Zurich,Switzerland. The work is in the context of removing old river embankments to allow the Thur to follow a more natural course in the future | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 5120 px × 3413 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |