Of course this is nothing compared to modern cities of millions or tens of millions, Still, in an era without running water, electricity, transport, garbage collection, or water treatment plants, it was no mean feat to have so many people living in one place.
這跟現代都市動輒上百萬、千萬相比，簡直不算一回事，然而一個沒水、沒電，也無交通及垃圾，汙水處理的年代，要讓這麼多人住在一起，卻不是一件簡單的事。