(170619) -- WASHINGTON, June 19, 2017 (Xinhua) -- U.S. President Donald Trump (2nd R) and First Lady Melania Trump (3rd R) walk to welcome Panamanian President Juan Carlos Varela and his wife Lorena Castillo at the White House in Washington D.C., the United States, June 19, 2017. (Xinhua/Ting Shen)//CHINENOUVELLE_0800.00300/Credit:Xinhua/Ting Shen/SIPA/1706200829, Image: 338441611, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia, TEMP Sipa Press