Lebanese Civil War (1975-1990); the original conflicting parties were the Lebanese national movement made up of Muslim forces and the Palestinian PLO and the Lebanese front made up of Christian; pro-Western forces. In the later course of the war; changing coalitions of different groups and several interventions from outside followed.Young men gather outside a house in the Palestinian refugee camp Sabra on the western outskirts of Beirut after an unknown incident.Photo; 25.11.1983