Stone age (between 8850 BCE and 1900 BCE in Finland) rock art on a lakeside cliff of lake Vitträsk, Kirkkonummi, Finland.
More info:
* [Location in Google Maps](https://goo.gl/maps/qpQizqFFTsAfBqoX9)
* [Wikipedia: Finnish rock art](https://en.wikipedia.org/wiki/Finnish_rock_art)
* [Finnish Heritage Agency site info](https://www.kyppi.fi/to.aspx?id=112.257010057) (only in finnish)