<http://webisa.webdatacommons.org/146574412>	<http://www.w3.org/ns/prov#value>	"Constructing structures such as teetering towers and bridges is" .
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<http://webisa.webdatacommons.org/prov/425525802>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146574412> .
<http://webisa.webdatacommons.org/146574412>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/146574412>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<smh.com.au> .