Workers stack up ice blocks during the Ice Box Challenge in Vancouver, Canada, July 27, 2017. The Ice Box Challenge is a public experiment to demonstrate the benefits of super energy-efficient buildings under the passive house construction standard. Two small house-like boxes built with passive house standard and local building code specifications sitting side-by-side under open area for 18 days with a one-tonne block of ice encased in order to testify the new zero emission building standard.(Xinhua/Liang sen)
Ice Box Challenge kicks off in Vancouver, Canada
Source: Xinhua| 2017-07-28 10:56:44|Editor: Zhang Dongmiao
KEY WORDS: Vancouver
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