2017 UNICEF Children's Champion Award Dinner - UNICEF USA Special Events
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BOSTON, MA - JUNE 01: John Mistovich, Emily Ma, Honoree, Children's Champion Award UN Messenger of Peace, cellist Yo-Yo Ma, Jill Hornor and Nicholas Ma attend UNICEF Children's Champion Award Dinner honoring Yo-Yo Ma and Alli and Bill Achtmeyer at The Castle at Park Plaza on June 1, 2017 in Boston, Massachusetts. (Photo by Scott Eisen/Getty Images for UNICEF USA)

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