What are some of the symbols in the closing chapters of the book?

In this section, there are numerous symbols, such as the Rosslyn Chapel, which is known as a desirable site for mystery seekers to flock to. Both Sophie and Langdon were seeking answers about the Grail and about Sophie's family. Langdon also discovers the meaning of the Star of David as the ancient symbols for man and woman overlaid, which symbolizes the fusing of male and female. A large Star of David adorned the floor of the Rosslyn Chapel as a sign that the Grail once resided there.