Every Olympic legend has been widely circulated, and also taking in the Olympic host city charming, it held more than the history of the Olympiad in which city?

• 每一届奥运会都有传奇故事被人们广为流传，而奥运举办城市也各有千秋，魅力十足，那么历史上不止举办过一届奥运会的城市有哪些呢？