Xuan Lu is a symbol of longevity, which means that a thousand years is a pale deer and two thousand years is Xuan Lu.
Moreover, deer gives people the feeling of being amiable and easy-going
It can bring good luck to people. Santa Claus drives a deer cart to bring blessings to children.
Deer also mean good luck. The mount of the Antarctic fairy Weng is a deer.
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Source: efforts.