There's a documentary on Netflix about physicians setting up shop on a race track to offer treatment to the poor and indigent in Bristol, TN: https://www.newsweek.com/remote-area-medical-shows-what-amer...
You wouldn't see these scenes in even the most deprived corners of Newcastle-upon-Tyne or the Rhondda Valley. The crowds the event attracts! This is what a developing country looks like.