They don't make clocks quite like they used to... The rolling ball clock designed by Sir William Congreve, about 1820.
Back in civilization after 2 crazy weeks in the dust. If you ever get the chance to build large scale art, do it – I count myself lucky to have helped the @treeoftenere2017 crew. I'll never look at playa art the same way again. ❤️🌳🔥 #treeoftenere