Cities' names

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Across
  1. 5. an area of activity, interest or knowledge
  2. 7. a place where something happens
  3. 8. to look at or examine somebody/something carefully
  4. 9. to try hard to find out more information about something
  5. 10. to think about something carefully for a period of time
Down
  1. 1. to start to fail or no longer stay together as a whole
  2. 2. to be the parts or members that form something
  3. 3. a picture or pattern that is made by weaving coloured wool onto heavy cloth
  4. 4. to start to do something new or difficult
  5. 6. an amount that is greater than is needed or can be used