北京奥组委在奥运会倒计时500天发行了数款以时间为主题的限量版珍藏品。其中一款500天倒计时纪念章，设计理念源自中国传统日历，以日历的形式记载时光的流逝，形象直观的展示出日期的变化，也象征着日历一页页翻过，奥运会开幕式也正在日渐临近。纪念章以中英文双语标注倒计时500天，显示出奥运会不止是中国的盛事，也是全世界人民的盛事，备受全世界的瞩目。
The obverse and reverse sides of the badge.
The Beijing organizing Committee for the Games of the XXIX Olympiad has unveiled new licensed1 products under the theme of time to mark the 500-day countdown to the Olympic Games.
One of them is a yellow commemorative badge whose obverse side bears the characters of 500 days to go before the Games of the XXIX Olympiad in both Chinese and English as well as the description of the countdown on March 27, 2007 and the Games' opening on August 8, 2008. On its reverse side the official emblem2 of the Olympics is shown.
The badge's issue is limited to 10,000 and each piece has a serial3 number which collectors pay attention to.
Another product is a set of four badges whose design blends the Olympic elements with the Chinese style. Its dominant4 colors of yellow and red represent happiness and auspiciousness5 in Chinese tradition.
The bi-lingual description of the 500-day countdown is also displayed on each badge and the set is imbedded in a photo frame. The issue is rather smaller only 5,000.
Vocabulary:
commemorative badge：纪念章
happiness and auspiciousness：吉祥如意
