[eni]

Interesting points!

I can't quite remember where I came across this (most likely in a TED talk), and details I can recollect are very vague but here is a horrifying tidbit from history:

In those days, apparently people used to collect excreta in some form of bins, and dump it out in the streets. People used to drop it from multi floor buildings also :(

It was mentioned that if a man is taking a woman on date, while walking in the street he has to keep the woman on the side of the street; While the man himself is walking on the side of the buildings (imagine man, woman walking hand in hand, side by side). Why? in case someone throws unpleasant things from a window above, it is the man who will take the (s)hit.

Sorry if it is unbelievably outrageous, but apparently that was our past :(