A British Army veteran has returned to his home country after a 28-year journey across four continents — but his trek isn't quite over.Karl Bushby, a 57-year-old former paratrooper, reached England this week after swimming across the English Channel from France, marking the latest milestone in an around-the-world expedition that he embarked on in 1998.Now, he has roughly 250 miles left to walk before reuniting with his mother, whom he hasn't seen in 11 years.DIVERS BRAVE DEADLY 'MOUNT EVEREST OF SHIPWRECKS' AS FAMED WRECK BREAKS APARTBushby spent about 20 hours swimming in the English Channel over three days before reaching Shakespeare Beach near Dover on Oct.5, according to the BBC.Karl Bushby returned to British soil after swimming across the English Channel as part of his 28-year journey around the world.
(Leon Neal/Getty Images)"Getting in the water that first day, I thought, 'Have I taken too much of a bite here?'" Bushby told the outlet."But you dig deep.
Keep on keeping on.You find a rhythm."Bushby hadn't even trained for the last leg of the trip and after about an hour in the water, he was cramping and doubting whether he could finish, he told the BBC.CLIMBER STRANDED ON 6-INCH LEDGE AT 11,000 FEET AS 46 MPH WINDS GROUND RESCUE HELICOPTERBut the Channel crossing was just the latest obstacle in an expedition spanning more than 30,000 miles and 29 countries.Bushby set out from Chile on Nov.
1, 1998, and set two rules for himself: He would not use transportation including planes, trains, boats or cars to advance his expedition route and he would not return home to Hull until he had finished it.British adventurer Karl Bushby walked through Cameron, North Carolina, in 2014 during the U.S.leg of his journey.
(Megan Morr/Washington Post)His route took him the length of South America, through North America and across the Bering Strait between Alaska and Russia.CLICK HERE TO SIGN UP FOR OUR LIFESTYLE NEWSLETTERAlong the way, he trekked through the Darién Gap b...