Olympic games

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Across
  1. 2. was played in the Olympics for the first time in 2016?
  2. 6. do Chinese people like very much?
Down
  1. 1. has the fastest people in the world?
  2. 3. demands the most skill from athletes?
  3. 4. is the American team the best in the world?
  4. 5. returned to the Olympic Games in 2016?