Subject Topical
- Parades33
- Lakes32
- High school students31
- Great Wall of China (China)27
- Presidents--United States26
- Women24
- Cities and towns--China23
- International relations21
- Aerial photographs20
- Classes (Groups of students)20
- Field crops20
- Statues20
- Military 19
- Rivers19
- Landscapes17
- Men17
- Press17
- Military bases16
- Airports13
- Birthday parties13