The final day of their three - day visit to the US takes in Louisville , Kentucky . A welcome letter from the legend Ali is read out to the royal couple . The couple visited the Kentucky Centre for an annual Heritage . Charles and ##erson chatted with teens at the Food Literacy Project at Oxmoor Farm in 2010 .
The final day of their four-day visit to the US takes in Louisville , Kentucky . A welcome letter from boxing legend Ali is read out to the royal couple . The couple visited the Kentucky Centre for African American Heritage . Charles and Camilla chatted with teens at the Food Literacy Project at Oxmoor Farm in Louisville .