碧落黄泉
      Explanation: Blue sky: sky, heaven. Land of the Dead: Underground. Heaven and earth. Refers to all corners of the universe.
      Usage: Joint type; as object; describe a wide range of
      Source: Tang Bai "Everlasting Regret": "Land of the Dead under the blue sky on the poor, the vast two are not seen."
      Examples: Netherlands king not abandon, read Qiesi specifically, ~ All over slavery. ★ Ching Hung Ang "Palace of Eternal Youth ends"