Mystery Day

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Across
  1. 3. Used to connect words (21)
  2. 5. Travel through an unfamiliar area (23)
  3. 9. Precious shiny metal (8)
  4. 10. A picture made using a camera (17)
  5. 15. Building where objects of historical or cultural interest are exhibited (22)
  6. 16. Type of punctuation (14)
  7. 17. Season of the year we're in (1)
  8. 19. Trains run on this (11)
  9. 21. Go and see someone or something (13)
  10. 22. _____ age, prehistoric period (9)
Down
  1. 1. With the addition of (18)
  2. 2. Move hand to and fro in greeting (16)
  3. 3. Expressing location or arrival in a particular place or position (7)
  4. 4. 22nd December is to___ (3)
  5. 6. This is taking place __ 2022 (4)
  6. 7. Small Christmas pastry (19)
  7. 8. Accompanied by (10)
  8. 11. _______ Court Palace (6)
  9. 12. Tea and coffee, for example (20)
  10. 13. Top point of the compass (5)
  11. 14. Displaying symbol or emblem of country (15)
  12. 18. Grand ____ , popular in the 18th century (2)
  13. 20. Form of transport (12)