 The tracks were deliberately designed to be as dangerous as possible, with ""a mountain that you went up to the top of and fell off"", and death was commonplace; but participants in the races, and any other citizen, might be revived by the civilization's medical ability.According to author Russell Miller, Hubbard liked to reminisce to his followers about ""how he was a race-car driver in the Marcab civilization"".One of the people who accompanied him aboard his private fleet in the late 1960s described Hubbard's stories of life with the Marcabians