RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales speaks with Osman Bakr, Science and Physics professor at King Abdullah University of Science and Technology (KAUST), at Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales walks near the Art Tower, during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales poses during a photo op near the Art Tower, during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales poses during a photo op near the Art Tower, during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales looks at a helmet during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales looks at a helmet during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales and Osman Bakr, Science and Physics professor at King Abdullah University of Science and Technology (KAUST), look at an exhibit at Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)

RIYADH, SAUDI ARABIA - FEBRUARY 10: Prince William, Prince of Wales listens to Osman Bakr, Science and Physics professor at King Abdullah University of Science and Technology (KAUST), during his visit to Sports Boulevard, a sustainable urban regeneration project and a cornerstone of Saudi Vision 2030, which is set to become the longest linear park in the world when completed in 2027, on February 10, 2026 in Riyadh, Saudi Arabia. (Photo by Isabel Infantes - Pool/Getty Images)