Lambeau Field in Green Bay heats the ground under their grass so it stays green for winter games, even in subzero temps, and has a giant system of grow lights:

Lambeau Field in Green Bay heats the ground under their grass so it stays green for winter games, even in subzero temps, and has a giant system of grow lights: https://youtu.be/o16kO3uJNJo?si=v9l-QSVPAJrsdqDq https://youtu.be/o16kO3uJNJo?si=v9l-QSVPAJrsdqDq