I looked at the southern sea and was moved by its beauty.

The culture of southern Fujian is very unique, and its influence is widespread.

My second son became a doctor.

Syonan is a part of Japanese history.

This math problem is really a difficult problem.

This math problem is very dense.

This math problem is too obscure, I can't understand it.

I was born and raised in Shonan.

What is this, that box?

Learning about the culture of Southeast Asia is very interesting.