New Delhi, Dec. 6 -- Karl Bushby, a British ex-paratrooper, is currently on the final stretch of his 27-year-long journey, which kick-started in 1998. As part of his trek, the 56-year-old has crossed 25 countries, war zones, deserts, jungles, as well as remote and politically fraught places on the Earth, The Washington Post reported.

It all started when Bushby made a barroom bet in his 20s that required him to walk from the southern tip of South America to his home in England.

Born in 1969 in Hull, Bushby earlier served as a paratrooper in the British Army. This experience sparked his appetite to seek challenges, travel, and explore.

During his military life, Bushy was exposed to physical hardship and foreign terrain. Also, being in th...