<http://schema.org/description>
"The world was abuzz about Google.com going black around the world at 8pm local time.  It happened a bit earlier at Google Israel, and then Saturday night it went black again:Why?  For Earth Hour.Googl"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/016724.html>