A Difficult Design Problem: How to Shovel Snow Out of a Stadium During a Blizzard

This weekend the Buffalo Bills tweeted out this photo… …and appealed to local fans on social media: Please come help shovel out the stadium, in advance of Monday's game vs. the Steelers. Fans could show up at midnight before the game, would be paid $20 per hour and given free hot beverages and breakfast, the team added. The volunteer shovelers who showed up had to deal with snow continuing to fall at 2" per hour. This is what the scene looked like: What I was wondering, looking...