Word: grasslands
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Dates: during 1990-1999
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...location of the palace, and the vast size of Kublai's grounds, can be traced today, with the help of guides from China's Bureau of Relics. It is the ghost of magnificence; only a few shards of colored tile can still be found in the sweep of grassland. Not far away, Chinese industrialization crowds...
Where no written records exist, restorationists turn to the geological record. Pollen preserved in layers of mud, for example, enabled a University of Arizona scientist to determine that a thousand years ago, the Nature Conservancy's Hassayampa River Preserve near Phoenix was covered by a marshy grassland unique to the Southwest. But the presence of corn pollen indicated that 500 years ago, Native Americans had farmed the site. "So do we restore this area to the way it was before the Native Americans disturbed it?" wonders the Nature Conservancy's Richter. "If it's not natural now, then when...