Coal, Underground Coal Fires and Tire Fires in China

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Across
  1. 1. / the number of years that the fire in Xinjiang was burning for.
  2. 3. / what coal is burnt for in many places.
  3. 7. / "An official in charge of putting the fires at Wude told Smithsonian magazine 'An underground coal fire is like a ______.
  4. 8. / the amount of underground coal fires burning in china.
  5. 9. / a substance that produces a thick, smoggy smoke.
Down
  1. 2. / china's largest coal field.
  2. 4. / the percentage of underground coal fires in china being fought.
  3. 5. / if you pour ______ on the fires at Wude Field, it produces a dangerous methane gas
  4. 6. / in 2003, a centuries-old fire was extinguished near ______ after a four year battle.
  5. 7. / what the workers use to try to extinguish the fires with.
  6. 8. / what old tyres and ashphalt are used for in Wuhan to fire pottery kilns.