Barcelona's Cloud9 loosely conceived of a vehicle that is both light and flexible-a bubble with soft skin and photovoltaic dots that generate energy.
巴塞罗那的“9号云”设想出一种既轻盈又灵活的车辆——一个外表柔软，利用光电小突点发电的泡泡机。
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Alternatively, savour high-altitude views - stratocirrus permitting - in Lujiazui itself from Cloud9 or the world's highest observation deck in the World Financial Center.