Snake spirit animals represent healing. Transformation, life changes. As a snake grows it shakes off its old skin. So in order for it to grow, it must leave behind something that is hindering them. they’re typically content to bask in the sunshine of life! The only time they strike out is when startled or feel they (or someone they know) is in danger.
This picture shows the theme of the book. They find there first clues in a set of catacombs under Paris. this picture shows the tombs intricacy and hidden beauty