In ancient Greek mythology, Elysium (also known as the Elysian Fields or Elysian Plain) is a paradise where heroes and those favored by the gods could enjoy a blissful afterlife. It was often depicted as a beautiful and peaceful place, filled with fields of green, pleasant weather, and an eternal springtime. The concept evolved over time and was eventually seen as a realm of reward for the virtuous, rather than only for heroes and the divinely favored.
https://en.wikipedia.org/wiki/Classic_of_Mountains_and_Sea
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