<http://schema.org/alternativeHeadline>
"The park has tentative support from businesses and government officials, but now a technology demo is needed to convince investors."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/healthy-spaces/stories/nycs-underground-lowline-park-would-pipe-in-sunlight-for-trees>