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Hazardous haze

Partygoers line up to enter a nightclub at Marina Bay Sands, as haze shrouds the skyline of Singapore in the background, late June 19, 2013. Singapore's air quality deteriorated to "hazardous" levels late on Wednesday as smoke from slash-and-burn land clearing in Indonesia enveloped the city-state, inflaming tensions between the Southeast Asian neighbors.TIM CHONG / REUTERS