The interior of the basilica evokes a forest. According to Gaudí’s vision, each type of column represents a different species of tree. The light that floods the interior reminds one of a colorful garden where we are born anew, of the changing of light from dawn to dusk, and of the glory of God | Laura Grey
Looking upward at the ceiling of the basilica we see many walls and columns of various shapes reaching upward toward star and flower shapes on the ceiling, while vibrant color washes into the basilica through the tall banks of color-blocked stained glass windows