3

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Across
  1. 4. (beneath)+(posture)
  2. 5. Expected loser in a competition.
  3. 7. Cushion for resting your head.
  4. 8. (strands that grow from skin) + (musical group).
Down
  1. 1. (illumination + residence building).
  2. 2. Skin redness from UV exposure.
  3. 3. customs or beliefs that transfer through generation, like Dragon Boat festival activities
  4. 6. Dim light after sunset.