Tourists have their "green pass" checked by security staff at the entrance of the Colosseum in Rome, Italy, Friday, Aug. 6, 2021. The so-called Green Pass, required from Friday to access indoor dining, theaters, indoor swimming pools, gyms, museums and other gathering places is granted to anyone with at least one dose of vaccine in the last nine months, who has recovered from COVID-19 in the last six months or tested negative in the previous 48 hours. (AP Photo/Riccardo De Luca), APTOPIX