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:
Ski trail rating symbolgreen circle.svg no Green Circle The en North American en ski trail rating en symbol for en piste difficulty level of easy en Down en Down original upload log page en Skitrailratingsymbolgreencircle svg Down bytes no Green Circle The North American ski trail rating symbol for piste difficulty level