Mei Xiang, Twin panda cubs, Smithsonian National Zoo in Washington. 美香, 雙胞胎貓熊寶寶, 華盛頓 史密森尼國家動物園

Twin panda cubs born at Washington's Zoo
http://www.skynews.com.au/news/world/nthamerica/2015/08/23/panda-cub-born-at-washington-s-zoo.html

Smithsonian's National Zoo—Reuters
Giant Panda Mei Xiang snacks on bamboo at the Snithsonian's National Zoo in Washington on April 19, 2015.
New Panda May Be Born Soon at National Zoo | TIME
http://time.com/4007295/panda-new-born-national-zoo/

The Smithsonian National Zoo's Giant Panda Mei Xiang sleeps in the indoor habitat at the zoo in Washington, Wednesday, Aug. 12, 2015. (AP Photo/Jacquelyn Martin)
Oh baby! National Zoo says panda Mei Xiang has given birth | abc7news.com
http://abc7news.com/society/national-zoo-says-panda-mei-xiang-has-given-birth/952375/

Giant Panda At National Zoo Gives Birth To Two Live Cubs : The Two-Way : NPR - Linkis.com
http://linkis.com/npr.org/Giant_Panda_At_Natio_1.html

Smithsonian's National Zoo
https://nationalzoo.si.edu/

Surprise! National Zoo's Panda Mei Xiang Gives Birth to Second Cub - NBC News
http://www.nbcnews.com/science/science-news/panda-monium-national-zoos-giant-panda-appears-be-labor-n414281
雙喜臨門 美貓熊美香意外產雙胞胎 | 影劇新聞 | 中央社即時新聞 CNA NEWS
http://www.cna.com.tw/news/amov/201508230216-1.aspx