The Croatian Institute of Public Health, in cooperation with the Ministry of Culture and Media, has developed updated recommendations for the prevention of COVID-19 infection during professional art performances, cultural programs and events

Ministry of Culture and Media, Croatia,
27 September 2020, Croatia

Given the development of the epidemiological situation and the intensified maintenance of cultural activities, parts of the recommendations related to ensuring adequate physical distance have been elaborated in more detail. 

https://min-kulture.gov.hr/vijesti-8/20081