Global warming srtikes again.......
*feeling sheepish*
http://www.kronia.com/thoth/ThoIII10.txt
“...The transition to today’s arid climate was not gradual, but occurred in two specific episodes. The first, which was less severe, occurred between 6,700 and 5,500 years ago. The second, which was brutal, lasted from 4,000 to 3,600 years ago. Summer temperatures increased sharply, and precipitation decreased, according to carbon-14 dating. This event devastated ancient civilizations and their socio-economic systems...”