The Land-Rover that lapped Australia four times, and the full story of a young 20 somethings bunch of people (3 guys, 2 women) and their 10,000 mile adventure in 1972 (one pair got engaged, and now their son owns the Land Rover, and tells the story of the summer of 72)

 https://www.classicandsportscar.com/features/land-rover-lapped-australia-four-times