常見問題：
問：Q2: When was the duo "Fly to the Sky" formed? 答：A2: Fly to the Sky was formed in 1999.
問：Q7: Did "Fly to the Sky" disband or are they still active? 答：A7: Fly to the Sky did not disband but went on hiatus in 2009 when the members pursued solo careers.
問：冰桶挑戰在全球範圍內的影響如何？ 答：冰桶挑戰在全球範圍內引起了廣泛的關注和參與，成為了一個國際性的慈善活動。