triumphal arch of septimius severus at ancient roman ruins of leptis magna on the mediterranean coast of libya in north africa

africa african ancient antique antiquity arab arch archaeological archeology architecture art blue coastal column corinthian crossroad cubic desert dry dynasty emperor empire frieze gateway grass heritage historical history imperial intersection italian khoms khums leptis libya libyan limestone magna marble mediterranean monument outdoor road rock roman rome ruin ruins sculpture septimius severan severus shrubs site sky stone street tetrapylon tourism travel trees tripolitania triumph triumphal unesco victory world