<http://schema.org/description>
"San Francisco: Students from the A.P. Giannini Middle School prepare to march up Market Street in honor of Martin Luther King Jr. 1/16/1989.  (UPI Photo)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/News_Photos/Archives/Civil-Rights-Movement/1220/7>