hmmm what are they up to? 
I love the bit when the guy wrote "it's a QR code for aliens?" lol
http://gizmodo.com/5859081/why-is-c...gantic-structures-in-the-middle-of-the-desert

I love the bit when the guy wrote "it's a QR code for aliens?" lol
http://gizmodo.com/5859081/why-is-c...gantic-structures-in-the-middle-of-the-desert