The Duke and Duchess of Cambridge dressed down in their casual clothes as they visited ancient ruins on the third day of their Caribbean tour today.
Both Prince William and Kate wore khaki trousers as they travelled deep into the heartland of Belize to visit the Maya ruins of Caracol, which date back to 1200 BC.
Kate teamed her trousers by G-Star Raw, which retail for £70, with a simple white T-shirt from John Lewis, Supergra white trainers and gold hoop earrings.
On the visit, she and William were given a tour of the site and had the chance to climb to the top and take in Caana, or sky palace, which remains the tallest man-made structure in Belize at 141ft.
The 3,000-year-old royal residence and temple, built by the Maya civilisation, stood at the centre of a city – home to an estimated 150,000 people.
Allan Moore, associate director of Belize’s Institute of Archaeology, showed the couple around the site which featured other buildings and was discovered in the 1930s by a logger looking for mahogany.
He told them: “It’s like looking at the inside of Buckingham Palace. This is just a small fraction of what we have here.”
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During their tour, Mr Moore showed the couple some ancient carvings with the couple pointing out lizards, fish nibbling on water lilies and a feline shape which he explained could have been a jaguar.
He also walked them round to an area where the ancient Maya used to play ball games.
Kate could be seen gesturing at the site while at ground level and when they climbed half way up Caana and looked out from a platform, the couple stood with their hands on their hips looking around.
As they caught a glimpse of the vista, the couple marvelled at what they saw. “Wow,” said Kate.
Mr Moore told them as they climbed the steep steps up: “People often like to try and run up here.”
William replied: “What they race? You must be very fit if you are doing this three times a week Allan.”
Later, the royal couple will spend time with British and Belizean troops deep in the Chiquibul Forest.
William visited Belize as a teenager in 2000, when he reportedly learned jungle survival techniques with the Welsh Guards who were receiving training from the British Army Training Support Unit as part of Exercise Native Trail.
William was beginning a gap year before university at the time and while in the jungle, the then 18-year-old duke learned his A level results.
The last engagement of the day will see William and Kate attend a reception hosted by the Governor-General of Belize at the Maya ruins at Cahal Pech, near San Ignacio.
This special reception will be held in celebration of the Queen's Platinum Jubilee and William will give a speech.
Meanwhile, it has been reported that the Cambridge's Caribbean tour could be marred by further protests in Jamaica, as campaigners accuse the Queen and her predecessors of perpetuating slavery.
The couple arrives on the island tomorrow from Belize on the next leg of their three-country visit before going to The Bahamas on Thursday.
As the country marks its 60th anniversary, a coalition of Jamaican politicians, business leaders, doctors and musicians have called in an open letter for the British monarchy to pay slavery reparations.
The apparent opposition in Jamaica comes after the tour began in controversial circumstances when opposition from villagers in Belize, who cited a range of issues including objections to the Cambridges' helicopter landing site, forced a royal trip to a farm on Sunday to be scrapped.
It was replaced with a visit to a chocolate producer before the royals travelled to the cultural centre of the Garifuna community in the village of Hopkins.
