How many kinds of dragons are there in Feng Shui?

Qianlong, also known as Long Fu, is a dragon-filled, dragon-born, ups and downs Long Mai, an evil dragon-born, rough, prosperous and powerful dragon. Kulong, it is a long and short belt warehouse. These are all dragons'. The so-called context is the mountain range extending from the back of the grave to the grave. This requires the eyes to distinguish.