Mandatory Credit: Photo by Robin Utrecht/Shutterstock (11902232o) Het Podium in ahoy during rehearsal Candidates of the Eurovision Song Contest during the second rehearsal of the second semifinal of the Eurovision Song Contest. The festival takes place in an adapted form in Rotterdam. Due to the corona virus, a limited number of visitors are welcome. Eurovision Song Contest rehearsals, Ahoy Arena, Rotterdam, The Netherlands - 13 May 2021