Abduction 2: Public Domain(拐人2：公有领域)

Some occurrences themselves are forgotten and being got rid of any copyrights. What’s more these occurrences were created and shared by people in a certain place. Although these occurrences are worthless, they are still meaningful for reservation. When the places that something occurred have changed gradually, will occurrences themselves die out soon? As an individual, I may record something.