Japanese school bell

22 s

Japanese School Bell

16 s

School

13 s

Japan School Bell

29 s

School

16 s

School Bell

8 s

School Bell

9 s

Korean school bell

18 s

School Bell

8 s

School Bell

11 s

Bell

10 s

School bell

13 s

School Bell

14 s

school bell

10 s

Schoolgong

12 s