Camilla (L), Duchess of Cornwall and Britain's Prince Charles prepare a pasty dough at the Museum of Paste in Pachuca, in the Mexican state of Hidalgo, November 2, 2014. The "Paste" is Cornish Pasty brought to Mexico by miners from Cornwall in Great Britain who used to work in the mines of Pachuca around the 1820s. Charles and Camilla are in Mexico on a four-day official visit. REUTERS/Jose Mendez/Pool (MEXICO - Tags: POLITICS ENTERTAINMENT ROYALS)