What is "al-atlal"

Al-Atlal ( Arabic: الأطلال),(The Ruins) is a poem written by the Egyptian poet Ibrahim Nagi, which later became a very famous song sung by famous Egyptian singer Umm Kulthum in 1966. The song was composed by the famous Egyptian composer Riad Al Sunbati after two years from the first Umm Kulthum's song composed by Mohamed Abdel Wahab, Inta Omri إنت عمري (You are My Life), and the both of them were a very huge success.