Five decades after Lebanon's civil war, battle-scarred buildings reflect ongoing trauma / Fifty years after Lebanon's civil war, ex-fighters warn young people against violence / 50 years after Lebanon's civil war began, a bullet-riddled bus stands as a reminder / African workers trapped by war in Lebanon after their passport was confiscated / Israel-Hamas war sparks south Lebanon exodus, as people flee border areas / Lebanon: School occupations condemned as violence grips Palestine refugee camp