Though the proportion of city-dwellers has soared, they are different from the atomised individualists of europe or north america : the extended family and traditional social networks have survived even in teeming tehran 虽然城市居民的比例急剧增加,但这些居民和欧洲以及北美的分化的个人主义者不同:即使在开放的德黑兰,大家庭和传统社会关系依然存在。