so Amazing + Green Techno〜 *salute* 这是穷人的创意，却叫人敬佩.. Sometimes the technology not necessary more advanced, become better. I think this method is energy-efficient and can be recycled, it can be said is a Great Green Technology.. 科技未必越先进越好，反倒我觉得这方法又节能又可以废物利用，这可以说是一种绿色科技..
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