During my Texas-born boyfriend’s visit to sub-zero Michigan one year, he realized the concrete-like frozen ground was what football players were slammed into during many of the winter games he watched over the years, especially as a Bills fan. (His first view of a basement stairwell was also a surprise.)
I read somewhere there’s pipes under the field in KC that kept the ground from freezing. I have absolutely no info about other stadiums or past conditions.
(His first view of a basement stairwell was also a surprise.)
Funny.