It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
Construction workers working on floodplain overflow construction. Check categories October en br Image title Construction workers working on floodplain overflow construction Image from Public domain images website publicdomainimage html publicdomainimage Lowe Roy Fish and Wildlife Service Not given Transferred by on This
Page 2017 Free-images.com. All images are Public Domain