REUTERS/Eloy Alonso
Septuagenarian Isobel Varley poses during 'II Expotatoo' tattoo fair in Gijon, northern Spain, May, 2009. Varley, who was born in 1937, is the most senior tattooed woman in the world according to the Guinness World Records.
And while some of us fret about getting older, others focus on staying active, healthy, and sharp.
Reuters recently compiled an amazing collection of photographs of seniors who remind us that age is "just a number."
From tennis players to mountain climbers, priests to fashion models, these seniors are young at heart.
(Given ages correspond to the age of the subject when the photograph was taken, unless otherwise mentioned)