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:
niagara falls waterfall canada ontario mist river water birds tourism landmark spray rapids cascade united states new york state usa american falls wet scenic flowing foam foaming awesome amazing new york attraction canadian famous majestic
Page 2017 Free-images.com. All images are Public Domain