'Happy Birthday' to U.S. President Barack Obama. 祝美國總統歐巴馬“生日快樂”

Young African Leaders Initiative (YALI) Mandela Washington Fellowship participants sing 'Happy Birthday' to U.S. President Barack Obama at the Omni Shoreham Hotel August 3, 2015 in Washington, DC. Identified as Sub-Saharan Africa's 'most promising young leaders,' 500 people were invited by the U.S. State Department for the three-day summit where they interact with representatives from the public, private, and non-profit sectors. (Chip Somodevilla/Getty Images)
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Yahoo精選全球縮影 Photos of the day - 2015.8.4. - Yahoo奇摩新聞
https://tw.news.yahoo.com/lightbox/photos-of-the-day-august-3-2015-1438626334-slideshow/photos-of-the-day-august-3-2015-photo-1438627410928.html