Prince Charles found himself in interesting company at an eco-conference in Hertfordshire this week. The 60-year-old royal, who has campaigned for years to save the Amazonian rainforest, was introduced to one of the endangered region's native leaders.
Charles, who was due to address attendees at the conference organised by Google, spent several minutes chatting to chief Almir Narayamoga, resplendent in a traditional feather headdress.
He also crossed paths with fellow king-in-waiting Crown Prince Haakon. The Norwegian royal, who was also due to present a speech, had opted to forego a tie in recognition of Google's more relaxed working dress code, prompting the Prince of Wales to admit: "I feel rather overdressed. I might take my tie off."
While the Prince's message – that the world is facing an environmental crisis as well as an economic one – was serious, his address was also peppered with humour. "The great thing about Google is that as I get older and forget who I am and where I live, I can just press a button and remind myself instantly and from a bird's-eye perspective," he joked.