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Downtown Houston from Space Station Alpha
Published June 3, 2001
A series of digital photographs of Houston illustrates the new detail being obtained for cities around the world by crewmembers on the International Space Station. This image, captured on 17 December 2000 centers on the downtown region and shows extensive detail of streets, parks and major buildings.
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Tierras Bajas Deforestation, Bolivia
Published May 27, 2001
The area east of Santa Cruz was originally dry tropical forest.
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Niagara Falls
Published May 20, 2001
The Niagara River forms the U.S.-Canadian Border and allows Lake Erie to drain northwest into Lake Ontario. Lake Ontario is about 100 m lower than Lake Erie; the Falls and the rapids account for most of the elevation difference. The energy derived from water falling over the falls, with average total flows of 750,000 U.S. gallons (2.8 million liters) per second, fuel multiple power plants on the river. Power Plants downstream from the plant generate 4.4 million kilowatts of power for both Ontario and New York.
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