<http://schema.org/topics>
"Dev &amp; Design,easter egg,features,gallery,Google,google maps,Lists,maps,Photography,trending,Uncategorized,Watercooler,web design"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/04/02/google-8-bit-maps-easter-eggs-landmarks/>