Novel crosswalk concept, the crosswalk was appeared by lighting of the lamp. Do you worry about that if power failures that the crosswalk would be disappear?

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The full name of GRHC is Green Roofs for Healthy Cities North America. In 1999, Green Roofs for Healthy Cities, a small network consisting of public and private organizations. In 2004, Green Roofs for Healthy Cities became a formal industry association registered as a not-for-profit 501(c)(6). It is managed under contract to the Cardinal Group Inc., the firm that originally established the organization, and run by an independent board.

Green roof technologies not only provide the owners of buildings with a proven return on investment, but also represent opportunities for significant social, economic and environmental benefits, particularly in cities. via

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The production called “Free Wind” was designed by Hyun Jin Yoon, Eun Hak Lee from Corea, who cooperate with Samsung and that won the IDEA 2008 Silver Award. Usually we dissatisfied with the air-condition that some of us may feel cold; some may feel hot in the same space. Feed Wind can effectively solve the problem. In the past, air conditioning system is blowing immovably fixed in one place. But Free Wind can automatically found the hotter place through Smart System and send the cold wind to …

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