Thanks to Dave Claman for sending me the link yesterday to a very clever modelling animation which I watched and found completely absorbing. Many of you will enjoy watching the video too (its quite short) so I've posted the link to it below.
Walking City is an award-winning evolving video sculpture created by digital design studio Universal Everything.
https://www.wired.com/2016/10/eerie-short-film-celebrates-beauty-simplicity/