11. It features a three-story square bell tower with large oval windows and brick tracery. 12. Under the notched cornice are small oval windows , placed within an elaborated stone frame. 13. They have pediments and an oval window framed with stone. 14. The Volkswagen Beetles displayed there were the model with the " oval window ". 15. At the east end was a blind oval window . 16. The foyer to level two features decorative leadlight in the sidelights, fanlight and oval window . 17. The third section consists of a stout octagonal structure, each side with an oval window . 18. The upper floor is constituted by a parallelepipedal central bulk with a central oval window . 19. It rests on the oval window , to which it is connected by an annular ligament. 20. The stapes then transfers the vibration to oval window .