It leans over the water, and then sees its reflexion.
Thinking another onager wants to drink as well, it furiously beats the water with its hooves.
Within a few minutes, there is no more water left in the pond, neither for it nor for its reflexion.
Some beings who can’t stand the mere idea of partaking would rather destroy what is vital to them.
If this story rings a bell and reminds you of some people in the Middle East who would rather destroy their own country than share it, it can only be that you have a twisted mind.