We don’t mean to put a damper on your day, but humanity is capable of pretty atrocious things.
History is full of battles, bloodshed and some nasty deeds. But some cities have had more than others.
And for some the horrors aren’t over yet.
The people of Reddit got wondering which ones have the darkest histories, and had plenty of suggestions.
Here is a round-up of six suggestions and an outline of the dark times they have seen.