A trumpet-shaped structure at the Shanghai World Expo is designed to soak up the sun's rays to light galleries and catch rainwater for a green approach to the event. But critics say extravagant pavilions will be taken down in six months, with little planning for their disposal.
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A woman walks past an anti-Olympics mural hanging on the outside of a gallery in Vancouver in mid-December. The mural reappeared shortly after the city had removed it earlier in the month.
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