Date of discovery: February 14, 2017
Location of discovery: Mars
I discovered this thumbs up signal on Mars and thought it seems to be so much just like the Facebook thumbs up and needed to share it with you. No aliens did not do it due to Facebook, however did they make it or not is an actual query. Thumbs up in lots of cultures means cool, good work, like it, and far more. Its doable this hand signal additionally has which means to an alien race. So, it might have been made be aliens in spite of everything.
Scott C. Waring