This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB WaveTrack of Steamer on Lake Leman Showing on the Left the Inner Boundary of Group of Diverging Waves.jpeg check categories August WaveTrack of Steamer on Lake Leman Showing on the Left the Inner Boundary of Group of Diverging Waves Subject Water waves Lakes Geneva Lake Switzerland and France Geographic Subject SwitzerlandGeneva