Final answer:
The Olympic Stadium in Sarajevo has been converted into a mass cemetery called Mezarje Stadion.
Thus, the correct option is A.
Step-by-step explanation:
The correct answer is A) Sarajevo.
In Sarajevo, the Olympic Stadium has been converted into a mass cemetery called Mezarje Stadion. This transformation took place due to the devastating Bosnian War that occurred in the 1990s. The stadium, which once hosted the 1984 Winter Olympics, now serves as a solemn reminder of the lives lost during the conflict.
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