<http://schema.org/alternativeHeadline>
"Celebrations for the 50th anniversary of the African Union opened in the Ethiopian capital Addis Ababa on Saturday, as leaders from across the continent marked the progress that has been made over the past five decades ahead of a two-day summit."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.france24.com/en/20130525-african-union-celebrates-50-anniversary>