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:
BSicon vWASSER.svg en watercourse straight right of centre from viewer's POV BSiconvexWASSERlg svg UTC BSiconvexWASSERlg svg BSiconexvSTRlg svg Babskwal derivative work Peeky talktalk moved top coordinates to be level with bottom ones Peeky BSiconvexWASSERlg svg original upload log This image is derivative work of the following