here we see two vehicles moving ever forward on the road in which we always will associate with a means of travel and thus distance. take then that each of these two objects are created years apart. on this road it stands to reason that the new will surpass the old, technologies change the world gets smarter these vehicles represent these changes. while it can not escape its past and will be forever shadowed by it, the newer sls should be farther ahead of the older one both figuratively in this representation and literally in reality.