A "Santa Claus" waves to the crowd from his flying sleigh drawn by reindeers over the Lemon Lake at sunset in Montreux, Switzerland, Dec. 6, 2015. The flying Santa Claus stunts show is part of promotion activities by the Christmas market in Montreux, which is one of the most famous and biggest markets of its kind in Switzerland. (Xinhua/Xu Jinquan)

A "Santa Claus" waves to the crowd from his flying sleigh drawn by reindeers over the Lemon Lake at sunset in Montreux, Switzerland, Dec. 6, 2015. The flying Santa Claus stunts show is part of promotion activities by the Christmas market in Montreux, which is one of the most famous and biggest markets of its kind in Switzerland. (Xinhua/Xu Jinquan)

A "Santa Claus" waves to the crowd from his flying sleigh drawn by reindeers over the Lemon Lake at sunset in Montreux, Switzerland, Dec. 6, 2015. The flying Santa Claus stunts show is part of promotion activities by the Christmas market in Montreux, which is one of the most famous and biggest markets of its kind in Switzerland.(Xinhua/Xu Jinquan)