A masked man walks as the sun sets among buildings covered with haze at the Singapore Central Business District Thursday, June 20, 2013. Singapore urged people to remain indoors amid unprecedented ... more 
A masked man walks as the sun sets among buildings covered with haze at the Singapore Central Business District Thursday, June 20, 2013. Singapore urged people to remain indoors amid unprecedented levels of air pollution Thursday as a smoky haze wrought by forest fires in neighboring Indonesia worsened dramatically. (AP Photo/Joseph Nair) less 
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Associated Press | Photo By Joseph Nair
Thu, Jun 20, 2013 12:18 PM EDT