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

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本帖最后由 whatever-Ethan 于 2009-5-8 00:41 编辑

Built in the 1930s during the great depression, the 102-story empire state building is a giant architectural structure made of concrete. Inside are offices, restaurants and plenty of tourists who come for the breath-taking views of the Manhattan skyline.

Empire State’s prominence is what prompted owners to embark on a massive 4-year project to reduce its carbon footprint and energy consumption. The red mark will undergo a series of renovations including replacing all of the skyscraper’s 65,000 windows with insulated glass that will reduce heat in the summer and trap it in the winter.

Extra insulation will also be installed behind the radiators to save heat. Other plans including installing energy efficient lighting, upgrading the building control systems to make them more energy efficient and adding modern air conditioning /in/ and heating systems whose output adjusts with usage.
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