7/11 Rock Engravings Posted on July 13, 2017 by Yuanyuan Zhao under 2017, Windhoek Professor Kreike and Grace hiking Maps of the water holes in rock engraving Share this:Click to share on Facebook (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to print (Opens in new window)Click to share on Twitter (Opens in new window)