> … trams and horse carriages, and that these didn't pose much of a problem? Horse manure was a huge problem on city streets. (Trams we’re originally horse-dra

> … trams and horse carriages, and that these didn't pose much of a problem? Horse manure was a huge problem on city streets. (Trams we’re originally horse-drawn.) > According to the 89th Annual Report of the Board of Health, nearly 500 tones of horse manure were collected from the streets of New York every day, produced by 62,208 horses living in 1,307 stables. https://www.nyhistory.org/community/horse-manure https://www.nyhistory.org/community/horse-manure Edit: A more in-depth article https://www.newyorkalmanack.com/2021/02/the-unpleasant-side-of-life-with-horses-in-cities/ https://www.newyorkalmanack.com/2021/02/the-unpleasant-side-...