Almost 200 years ago, a group of children were playing on a hill when they discovered something that would puzzle Scotland even to this day. I hope you enjoy this week's Unsolved Mystery!

Music:
Ghost Story by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1300034
Artist: http://incompetech.com/

I do not own the rights to any of the photos/images/ videos shown in this Youtube video. They belong to their respective owners/creators.