<http://schema.org/address>
"2551 W Sweetwater Dr, Tucson, AZ 85745,  Tucson,  AZ United States"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.birdwatchingdaily.com/event/tucson-audubons-youth-birding-outing-sweetwater-wetlands/>