People work in tulip fields surrounding Keukenhof spring garden, in Lisse, some 20 kilometers form Amsterdam, Netherlands, Wednesday, April 19, 2017. Keukenhof has more than 7 million bulbs in bloom this spring, with a total of 800 varieties of tulips and is open from March 23 until May 21, 2017. (Photo by Peter Dejong/AP Photo)
