extreme sport

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Across
  1. 4. the sport ride bicycle
  2. 6. the sport of climbing on rocks
  3. 7. a small,light, narrow boat, pointed at both ends
Down
  1. 1. the activity or sport of moving on skates
  2. 2. the sport of riding on a wave on a special board
  3. 3. the use of a rubber raft to travel
  4. 5. a bicycle for riding over hills