Hotel staff stand ready to receive guests on June 4, 2020, at Caesars Palace in Las Vegas. U.S. hotels hit all-time lows in occupancy and in revenue per available room last year.

LAS VEGAS, NEVADA – JUNE 04: Hotel bellhops stand ready to receive guests at Caesars Palace on the Las Vegas Strip as the property opens for the first time since being closed on March 17 because of the coronavirus (COVID-19) pandemic, on June 4, 2020 in Las Vegas, Nevada. Hotel-casinos throughout the state are opening today as part of a phased reopening of the economy with social distancing guidelines and other restrictions in place. (Photo by David Becker/Getty Images)