Prince Harry has shown his five-year-old son footage of his late mother, Princess Diana, walking through a minefield. The Duke of Sussex is currently at the Invictus Games – the competition he founded for injured, sick and wounded military personnel and veterans – in Canada and told how a conversation with his eldest child, Prince Archie, about the devastating impact of landmines led to an unexpected chat about his beloved mother and her famous walk in Angola in 1997. Speaking while attending a wheelchair basketball game, he told Canada’s CTV: “It’s hard because kids don’t always ask the right…