پاورپوینت بررسی ahvaz & berlin به همراه تصاویر زیبا در قالب 16 اسلاید، بخشی از متن: Ahwazis a city in the south of Iran. At the 2006 census, its population was 1,432,965, in 796,239 families.[2] Ahvaz has the world's worst air pollution according to a survey by the World Health Organization in 2011