The challenge details can be found in their repo and on Twitter.
Feel free to check out my code to copy, modify and reuse under MIT license. I learned a lot during the challenge and want to giv back to the community, from which I learned so much.
I will not host the used data on this repository, but provide the source and cleaning scripts wherever possible. As I used some datasets for multiple plots, I provide separate cleaning scripts in the data_cleaning
folder.