Sergels Torg in Stockholm is a great example; look for some of the older photos on https://www.google.com/search?q=sergels+torg+stockholm https://www.google.com

Sergels Torg in Stockholm is a great example; look for some of the older photos on https://www.google.com/search?q=sergels+torg+stockholm https://www.google.com/search?q=sergels+torg+stockholm Sergels Torg is a hyperellipse. (I was a math-ish student when I ambled onto the place while visiting Stockholm. It was quite a surprise.)