Across
- 1. Second largest city in South Korea.
- 4. Students wear this at middle and high school.
- 5. Currency used in Europe.
- 6. It's grey and you can make houses with it.
- 7. Woman who works on an airliner.
Down
- 2. Bike with only one wheel.
- 3. Go across the railway line using a ________.
- 8. An airplane has two of these.