Korea Herald correspondent MALAGA, Spain — At Malaga-Costa del Sol Airport in southern Spain, travelers move with the ease of commuters passing through a well-run railway station — local in character despite the constant stream of international arrivals. The gateway to the Costa del Sol ranks as Spain's fourth-busiest airport, after Madrid, Barcelona and Palma de Mallorca, with passenger traffic more than doubling over the past decade to top 25 million travelers in 2025. Airport officials trace