Distinguished guests from the United States and Mexico pose for a group photo at the Convention Center in Del Rio, Texas, Oct. 21, 2016. Representatives embraced; showing a symbolic gesture of friendship referred to as “El Abrazo” at the 56th anniversary of the signing of the Amistad Dam treaty by U.S. President Dwight D. Eisenhower and Mexican President Adolfo Lopez Mateos on Oct. 24, 1960. (U.S. Air Force photo/Airman 1st Class Benjamin N. Valmoja)