The Most Strenuous Hardest Labor That You Ever Did

CNN's John Sutter asks his former co-workers what was the most strenuous, hardest labor they ever did. "We unloaded box cars and stacked pallets for long at least an eight hour day," he says of a warehouse job in which peaches weighed up to 30 pounds each. It reminds him of that old expression whistle while you work: finding a way to enjoy something some could look at as drudgery.