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[All-In-1-Min] 【整理】2009-05-08 VOA Video News

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built in 1930 during the great depression, the 102 stories empire state building is a gigant architectonic structure made of concrete.inside are offices, restaurants and plent of tourists who come for the breast taking views of the manhaton skyline. empire state prominence is what's prompting owners to embark on a massive 4 year project to reduce its carbon footprint and energy consumption. no manned marble undergoes serious of innervation incluing replacing all of these skyscraper 65,000 windows with insulated glass what reduce heat in the summer and tropic in the winter. actul insulation were also been installed behind the radiator to save heat. other plans including installing energy efficient lighting upgrading the building control system to make them more energy efficient and adding modern air conditioning in heating systems who is output adjusted with usage
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