The archaeological discoveries of the excavation expeditions working at 17 archaeological sites in Aleppo city (north Syria) contribute to highlighting Aleppo's role in the human civilization during various eras. Chairman of the Ruins Excavation Section in Aleppo Ruins and Museums Department Youssef Kanjo pointed out that the Syrian-Japanese joint expedition working in Didarieh Cave, northern Aleppo, unearthed lots of stony tools dating back to the Yabroudi civilization. He added that excavation works included the part returned to the Musterian Civilization, as hundreds of flint and bony tools were used by the Neanderthal Man, to whom the Musterian Civilization belongs. The Lebanese-Syrian expedition working in al-Nabi Huri, in Ephreen area, discovered the city's fence during the Byzantinean and Islamic eras. Kengo pointed out that the Syrian-Polish expedition working in Tel al-Qaramil, north Aleppo, discovered a circular bridge and number of circular adjoining houses and tombs dating back to the Bronze era. The Syrian-French joint expedition working in Qinesreen site, South Aleppo accomplished an archaeological survey for the site and documented all the Islamic and classical ruins in the archaeological village of al-Aeis in preparation to start the excavation works in the Islamic castle. The excavation works uncovered a Factory for glass manufacturing, Kenjo went on. [...]