At 39, he has traveled to more than 100 countries. But the journey hasn't always been easy, From the Grapevine reports.
When Tony Giles was 9 months old, doctors found that he had a rare disorder that made him very sensitive to light.
The British traveler wrote spent his first few years living in darkness, but eventually got dark sunglasses, and ventured outdoors.
"I played in the street with my non-disabled friends, learning to listen for traffic," he remembers.
His eventually became so bad that he ended up blind. And then he lost 80 percent of his hearing.
"I travel alone because it's the biggest challenge I can get," he said. One challenge involved going whitewater rafting in Zambia and nearly drowning. He says it was "a frightening, but thrilling experience."
Now, equipped with some good hearing aids, he hopes to visit every country in the world.
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