Bell: One minute before the first snow in Bandari.

Can be found online. But the version of Barber Overture School in Seville belongs to the Royal Orchestra, and the orchestration is much better than what is often heard on the Internet.

It hasn't changed yet.

This clock is used in the main teaching building and the second main teaching building of Nankai University.

In addition, the ringtone of the School of Economics is different from class to class, which is simply a concert.

Yingshui Road Campus is an electric bell.

There is no uniform bell on TEDA campus, and some teachers have installed ringing software to ring the bell.