challenge: Where did the recordings of the film 'Sune's Summer' primarily take place?
  
  A. Helsinki, Turku, and Tallinn
  B. Gothenburg, Malmö, and Copenhagen
  C. Stockholm and Tofta Beach on Öland
  D. Stockholm, Tofta Beach on Gotland, and Björkviks havsbad on Ingarö
  Answer: 