Green Snake , literal Chinese title The TealGreen Snake is a 1993 Hong Kong fantasy film made by Tsui Hark. It is the adaptation of a novel of the same title by Lilian Lee.
The pregnant White Snake and the Green Snake proceed to rescue Hsui Xien with their magical prowess. They pit their skills against the monk by trying to flood the temple, situated atop a mountain, thereby causing a severe catastrophe in the region.
Source: Wikipedia