50.0 MB (5.2 MB compressed)
5120 x 3413 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
DR JUERG ALEAN / SCIENCE PHOTO LIBRARY DR JUERG ALEAN / SCIENCE PHOTO LIBRARY
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.
Model release not required. Property release not required.