see more

A straddle carrier passes stored shipping containers at the MPET terminal at the Port of Antwerp in Antwerp, Belgium, on Wednesday, May 10, 2017. The port is Europe's second-largest seaport and stands at the upper end of the tidal estuary of the River Scheldt. Photographer: Jasper Juinen/Bloomberg via Getty Images

A straddle carrier passes stored shipping containers at the MPET terminal at the Port of Antwerp in Antwerp, Belgium, on Wednesday, May 10, 2017. The port is Europe's second-largest seaport and stands at the upper end of the tidal estuary of the River Scheldt. Photographer: Jasper Juinen/Bloomberg via Getty Images