At www.pasthorizonspr.com/index.php/archives/10/2014/small-clue-to-neolithi…. … where we learn about flint mines that dwarf those of Grimes Graves in East Anglia. The flint mines in Bavaria are 8m deep but there are 20,000 mining shafts. The Late Neolithic Cham culture (3400-2700BC) existed for a brief period of time but appear to have traded extensively by using the Danube and its tributaries.
Over at www.livescience.com/48532-big-circles-archaeological-mystery.html … the mystery is the nature of these stone circles seen in aerial photographs – and why they are all of the same plan and dimensions. They are bilt of low stone walls just a few feet high.
At http://artdaily.com/news/73947/Archaeologists-reveal-1-800-year-old-secr… … chambers located beneath the Temple of the Feathered Serpent in Teotihuacan have been found. First, they discovered a deep shaft leading to a tunnel which then led them underneath the temple.