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Old Posted Mar 26, 2008, 12:50 AM
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bnk bnk is offline
પટેલ. કે ન
 
Join Date: Mar 2006
Location: chicagoland
Posts: 9,262
Looking back 50-80 years or so the buildings had an awefull amount of soot on them, most likely due to coal burning. Just look at the older white buildings like the Mart and compare them to today. Were they washed or were they cleaned by nature?
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