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Green becomes colour of the Games

Cheng Zhiliang ECO-FRIENDLY: The Beijing University of Technology Gymnasium is built to environment specifications. - PHOTO: XINHUA BEIJING: Two wells as deep as 2,000 metres would provide heat for a 7,500-seat gymnasium in winter, the competing venue for the badminton tournament of Beijing Olympic Games, and another 12 wells are used for the cooling system in summer. The Beijing University of Technology Gymnasium will realise zero emission in the use of geothermal energy, and energy consumption would be reduced by 30 per cent, said university vice-president Zhang Ailin.