What makes me happy?

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Across
  1. 5. Very beautiful, impressive or grand (11)
  2. 6. Bright light from the sky on a clear day (8)
  3. 10. Always wanting to win or be the best (12)
  4. 12. A system where animals and plants live together (9)
  5. 15. The area where you live (13)
  6. 16. Animals living freely in nature (8)
  7. 17. Catching animals that live in water (7)
  8. 19. Playing electronic or video games (6)
  9. 20. A picture taken with a camera (5)
Down
  1. 1. A romantic partner, usually male (9)
  2. 2. Talking in a relaxed or friendly way (8)
  3. 3. A race that includes swimming, cycling and running (9)
  4. 4. The feeling you get when life is good (5)
  5. 7. Very important or absolutely necessary (9)
  6. 8. Large reptiles that live in rivers (10)
  7. 9. Likely to cause harm or injury (9)
  8. 11. This kind of guitar needs power to work (8)
  9. 13. The act of changing place or position (8)
  10. 14. People who travel for fun or holidays (8)
  11. 18. Music that is written for films or games (11)