Brazilian President Luiz Inacio Lula da Silva shakes hands with Spain's deputy Prime Minister and Minister of Labor and Social Economy Yolanda Diaz next to Spain's Prime Minister Pedro Sanchez (R) during a military ceremony held to welcome the Brazilian President at the Palacio de Pedralbes in Barcelona on April 17, 2026. Lula meets Spanish Prime Minister Pedro Sanchez and is to attend a forum of progressive leaders on April 18. Other attendees at the gathering in Barcelona include Mexican President and South African President. (Photo by Oscar DEL POZO / AFP via Getty Images)