Super Duper Difficult Crossword

123456789101112
Across
  1. 3. Not beautiful
  2. 7. People live here
  3. 8. Type of stone on streets
  4. 11. A religious building
  5. 12. People work here
Down
  1. 1. Full of color
  2. 2. A structure that connects two places
  3. 4. Gives financial gain and benefits
  4. 5. Office of business in other cities
  5. 6. From other countries
  6. 9. Architects make them
  7. 10. All the people who belong to a business