Choose the correct word.
In 1998 Karl Blushby decided to walk around the world .
He began his adventure in Сhile and he said that he hoped to return home to England in 2014.
Karl usually sleeps in a tent. He has to carry all his things in a trailer which was built especially for the trip.The adventurer has already walked more than half a way.
Now he's walking through Russia.If he completes the journey it will take16 years in total.