Sprightly octogenarian Berta Dalia appears from her modest, dimly lit kitchen, faded apron tied around her waist and yellow fluffy slippers providing a pop of colour to her hard-working feet.
At 86, the mother of four and grandmother of nine looks considerably younger than her years as she sits down on a simple wooden chair to join her husband, José, a toyboy at 72, and reflect on her secrets to longevity.
