Prince Charles was pictured offering a gentlemanly greeting to Queen Letizia of Spain as the pair carried out a joint public engagement in Country Durham on Tuesday.The 72 year old appeared in happy spirits as he greeted the Spanish royal, giving Queen Letizia a kiss on the cheek before squeezing her hand fondly during their arrival at Auckland Castle in Bishop Auckland. Queen Letizia was among the foreign royals along at Prince Philip ’s memorial service last week and reunited with the Prince of Wales again today.