With summer gone and the top tourist season now over for many countries, in particular, for those with popular beaches, the authorities of several countries had brought back tighter entry restrictions in September, also following an increase of cases throughout summer.
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Employees, wearing protective face masks, cleans restaurant's tables at Germany's largest theme park 'Europa-Park' in Rust, north of Freiburg im Breisgau, on May 20, 2021 on the eve of the reopening day after 6 months of lockdown measures taken to curb the spread of the COVID-19 pandemic.