OPEC bulletin spotlights Algeria's Tassili n'Ajjer as unique witness to human heritage

ALGIERS  -The latest issue of the bulletin of the Organization of the Petroleum Exporting Countries (OPEC) dedicated a special section to the Tassili n'Ajjer plateau in southern Algeria, hailing the site as a "unique witness" to a long history that contributes to preserving an important chapter of human heritage.