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U.S. President Donald Trump discusses the federal budget as Treasury Secretary Steve Mnuchin (R) looks on, February 22, 2017 (Olivier Douliery-Pool/Getty Images)

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A general view shows the storage shelves at US online retail giant Amazon's Brieselang logistics center, west of Berlin on November 11, 2014. (JOHN MACDOUGALL/AFP/Getty Images)

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Jake Krupa colors in an electoral map at an election watching party in Coconut Grove, Florida, November 8, 2016 (RHONA WISE/AFP/Getty Images)

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An Iranian flag is seen outside the Bushehr nuclear power plant (BEHROUZ MEHRI/AFP/Getty Images)

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Bars of confectionary are seen on display in a newsagent on September 27, 2004 in London (Bruno Vincent)