About: http://webisa.webdatacommons.org/343427405

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In Beijing, Shanghai, Guangzhou and other large cities, expansion of underground space has become a hot topic for the commercial real estate developers.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com