Britain's Prince Harry (L, front), Duke of Sussex and his wife Meghan (R, front), Duchess of Sussex, greet people during their visit to Australia in Melbourne, Oct. 18, 2018. (Xinhua/Bai Xue)

Britain's Prince Harry (R), Duke of Sussex and his wife Meghan, Duchess of Sussex, greet people during their visit to Australia in Melbourne, Oct. 18, 2018. (Xinhua/Bai Xue)

Britain's Meghan (R, front), Duchess of Sussex, greets people during the visit to Australia in Melbourne, Oct. 18, 2018. (Xinhua/Bai Xue)