The Duke and Duchess of Cornwall are in Cornwall for their annual summer visit, with the theme of this year's visit a celebration of food and farming.

During the visit, from Saturday to Tuesday, their Royal Highnesses will visit Jamie Oliver's Fifteen at Watergate Bay, which trains local unemployed young people to become chefs.

The Duke and Duchess will also meet local producers at Looe market, while Her Royal Highness will visit two successful Cornish food businesses – Cornish Orchards in Duloe and Trewithen Dairy in Lostwithiel.

As patron of the UK Vineyards Association, The Duchess will visit Camel Valley Vineyard in Bodmin, which is celebrating its 25th anniversary.

The Duke will also visit Royal William Yard in Plymouth to mark the 100th anniversary of the formation of the city of Plymouth.

On the final day, Their Royal Highnesses will tour Tregunnel Hill in Newquay, a mixed-use neighbourhood of 174 homes on Duchy of Cornwall land which is due to be completed in 2015.