Holiday activities

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Across
  1. 2. walking long distances in nature
  2. 3. flying in the air while pulled by a boat
  3. 5. standing on a board, using a paddle to move yourself along
  4. 6. skiing on water behind a boat
  5. 7. riding a raft on fast rivers
  6. 8. sliding along a rope from a high place
Down
  1. 1. riding a bike on mountain paths
  2. 4. swimming underwater with special equipment