Flat ceiling is decorated in the form of a round plafond which looks like a sky with a swallows flying over it. The images of the Four Animals from Pirkei Avot are placed on the four corners of the ceiling. Musical instruments, ethrog and lulav are situated between images of the animals. Two rows of the Zodiac signs are depicted on the north and south sides of the ceiling.
For images of the Four Animals see:
For the zodiac signes see: