PUMPS AND CONVEYOR. BELTS: The Late Ice Age Orchestra, 18,000 to 13,500 B.C. -- The Virgin Continent, 15,000 to 11,000 B.C. -- Europe During the Great Warming, 15,000 to 11,000 B.C. -- The Thousand-Year Drought, 11,000 to 10,000 B.C. -- THE CENTURIES OF SUMMER: The Cataclysm, 10,000 to 4000 B.C. -- Droughts and Cities, 6200 to 1900 B.C. -- Gifts of the Desert, 6000 to 3100 B.C. -- THE DISTANCE BETWEEN GOOD AND BAD FORTUNE: The Dance of Air and Ocean, 2200 to 1200 B.C. -- Celts and Romans, 1200 B.C. to A.D. 900 -- The Great Droughts, A.D. 1 to 1200 -- Magnificent Ruins, A.D. 1 to 1200.
