LAS VEGAS, NV - JULY 01: An employee lines up cannabis products at Essence Vegas Cannabis Dispensary after the start of recreational marijuana sales began on July 1, 2017 in Las Vegas, Nevada. Nevada joins seven other states allowing recreational marijuana use and becomes the first of four states that voted to legalize recreational sales in November's election to allow dispensaries to sell cannabis for recreational use to anyone over 21. (Photo by Ethan Miller/Getty Images)
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