Chinese civilization has a long and rich history. Over thousands of years of cultural tradition, countless folk legends and tales of the supernatural have been passed down. Some were never recorded in books, as they spread only by word of mouth. Paper-cutting witchcraft, raising gu and casting curses, praying to the gods for blessings, seeking immortality and consulting the spirits... There are far too many eerie rumors around us that become more terrifying the more you think about them. Read on for a brief introduction.