challenge: Where was the 2020–21 UEFA Futsal Champions League final tournament held?
  
  A. Krešimir Ćosić Hall in Zagreb, Croatia
  B. Krešimir Ćosić Hall in Zadar, Croatia
  C. Krešimir Ćosić Hall in Dubrovnik, Croatia
  D. Krešimir Ćosić Hall in Split, Croatia
  Answer: 