Harrison Ford revealed the secret behind his youthful looks after making his final appearance as Indiana Jones.
The actor, who turns 81 next month, reprises his role as the swashbuckling archaeologist in Indiana Jones and the Dial of Destiny, which is the fifth instalment in the beloved film series.
The film had its premiere in London earlier this month and Harrison - who first played the character back in 1981 - has been promoting the movie in recent interviews.
