One of the marijuana grow rooms Exhale Nevada in Las Vegas Thursday, June 28, 2018. (K.M. Canno …

One of the marijuana grow rooms Exhale Nevada in Las Vegas Thursday, June 28, 2018. (K.M. Canno ...

One of the marijuana grow rooms Exhale Nevada in Las Vegas Thursday, June 28, 2018. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto