SOCIAL MEDIA SUPERSTAR
When 75-year-old Lee Chan-jae was living in Brazil, he started using Instagram to keep in touch with his grandsons, who lived in South Korea and the United States.
It started as a small family project, but after less than three years, he now has more than 300,000 followers around the world.
Lee Chan-jae shares his story with Al Jazeera.
Follow his Instagram: