United States President Barack Obama, right, and Prime Minister Justin Trudeau of Canada, left, listen to the National Anthems during an Arrival Ceremony on the South Lawn of the White House in Washington, DC on Thursday, March 10, 2016. Credit: Ron Sachs, CNP - NO WIRE SERVICE -. EXPA Pictures &copy; 2016, PhotoCredit: EXPA/ Photoshot/ Ron Sachs<br /> <br /> *****ATTENTION - for AUT, SLO, CRO, SRB, BIH, MAZ, SUI only*****
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