Acknowledgement

Sources:

http://en.wikipedia.org/wiki/Zongzi

http://en.wikipedia.org/wiki/Qu_Yuan

http://en.wikipedia.org/wiki/Duanwu_Festival#Pre-existing_holiday

http://yireservation.com/recipes/zongzi-chinese-sticky-rice-dumpling/

http://baike.baidu.com/subview/3058/5369709.htm

http://zh.wikipedia.org/wiki/粽

http://www.dongyuan.com.sg/info.asp?id=180