Postcard 1Sunrise of Monks Mound from Woodhenge III - digital illustration. Thanks to Jim of Arizona, USA.
Postcard 2Monks Mound at Cahokia Mounds is the largest prehistoric earthwork in the Americas. Mississippi river in the background. Thanks to Leslie of Turkey.
Postcard 3The winter view of Monks Mound, the largest prehistoric earthwork in the new world. Thanks to O'neal who lives near this region in Illinois, USA.
Postcard 4An illustration of what settlements at Cahokia Mounds may have looked like. Thanks again to O'Neal of USA.