Pope Francis arrives flanked by Queen Mathilde of Belgium and King Philippe of Belgium, at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Geert Vanden Wijngaert)

Pope Francis arrives flanked by Queen Mathilde of Belgium and King Philippe of Belgium, at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Geert Vanden Wijngaert)

King Philippe of Belgium waits for Pope Francis at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Geert Vanden Wijngaert)

Pope Francis arrives at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Andrew Medichini)

Pope Francis arrives flanked by Queen Mathilde of Belgium and King Philippe of Belgium at the Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Andrew Medichini)

Pope Francis arrives at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Andrew Medichini)

Pope Francis arrives flanked by Queen Mathilde of Belgium and King Philippe of Belgium, at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Geert Vanden Wijngaert)

Pope Francis arrives flanked by Queen Mathilde of Belgium and King Philippe of Belgium, at Melsbroek air base in Steenokkerzeel, near Brussels, on the first day of his four-day visit to Luxembourg and Belgium, Thursday, Sept. 26, 2024. (AP Photo/Geert Vanden Wijngaert)