Superdome

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Across
  1. 2. a supporting pillar
  2. 6. person who designs buildings and bridges
  3. 7. science of motion, energy, matter, and force
Down
  1. 1. the base of a building
  2. 3. height above sea level
  3. 4. a force that pulls objects towards earth
  4. 5. a long heavy bar