<http://webisa.webdatacommons.org/181692854>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<celsias.com> .
<http://webisa.webdatacommons.org/181692854>	<http://www.w3.org/ns/prov#value>	"It???s difficult to keep cities beautiful and sustainable, especially as populations rise." .
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<http://webisa.webdatacommons.org/prov/507096519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/181692854> .