Pope Leon XIV concluded this Friday his "historic" seven-day trip to Spain, leaving from Tenerife before taking the plane back to Rome. His last stop in the Canary Islands, after visiting Madrid and Barcelona, has been marked by emotion and a powerful message about migration.The final day has left images of great symbolic force, such as the last Mass officiated on the dock of Santa Cruz, with the migrant cayucos next to the altar. He has also hi…