A Traditional British Milk Delivery Service As Farmers Debate Brexit [Getty Images]

Milkman Andrew Thorpe prepares an order during an early morning milk doorstep delivery service in Ilkley, U.K., on Monday, May 16, 2016. England's dairy farmers will see income fall by almost half this year, evidence that the global milk crisis is far from over. Photographer: Matthew Lloyd/Bloomberg via Getty Images

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