MELBOURNE, AUSTRALIA - APRIL 16: Police officers are seen before Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex’s visit to batyr Australia, a mental health engagement program on April 16, 2026 at Swinburne University of Technology in Melbourne, Australia. The Duke and Duchess of Sussex are on a four-day visit to Australia, with engagements across Melbourne, Canberra and Sydney. (Photo by Jonathan Brady/PA Wire-Pool/Getty Images)

MELBOURNE, AUSTRALIA - APRIL 16: Police officers are seen before Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex’s visit to batyr Australia, a mental health engagement program on April 16, 2026 at Swinburne University of Technology in Melbourne, Australia. The Duke and Duchess of Sussex are on a four-day visit to Australia, with engagements across Melbourne, Canberra and Sydney. (Photo by Jonathan Brady/PA Wire-Pool/Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, arrive for a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, arrive for a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry (C), Duke of Sussex, and his wife Meghan (3rd L), the Duchess of Sussex, meet staff members and young advocates during a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, arrive for a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, visit Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Glorianna Davenport, founder of the Living Observatory, walks through soggy ground of the restored wetland at Tidmarsh Wildlife Sanctuary in Plymouth, Mass., Saturday, March 14, 2026. (Julia Vaz/MIT Graduate Program in Science Writing via AP)