Actors and actresses perform African dance to celebratethe the 50th anniversary of the founding of the Organization for African Unity (OAU), which is now the African Union, at Millennium Hall in Addis Ababa, Ethiopia, May 25, 2013. (Xinhua/Meng Chenguang)

An actress performs African dance to celebrate the 50th anniversary of the founding of the Organization for African Unity (OAU), which is now the African Union, at Millennium Hall in Addis Ababa, Ethiopia, May 25, 2013. (Xinhua/Zhang Chen)

Actors perform African dance to celebrate the 50th anniversary of the founding of the Organization for African Unity (OAU), which is now the African Union, at Millennium Hall in Addis Ababa, Ethiopia, May 25, 2013. (Xinhua/Meng Chenguang)

Actresses perform African dance to celebrate the 50th anniversary of the founding of the Organization for African Unity (OAU), which is now the African Union, at Millennium Hall in Addis Ababa, Ethiopia, May 25, 2013. (Xinhua/Zhang Chen)