sentences:  For example, a Chinese dragon is normally described in terms of nine attributes and usually has 117 (9×13) scales–81 (9×9) Yang and 36 (9×4) Yin.This is also why there are nine forms of the dragon and there are 9 sons of the dragon (see Classical depictions above).The Nine-Dragon Wall is a spirit wall with images of nine different dragons, and is found in imperial Chinese palaces and gardens.