Minamata disease is a serious pollution-related illness that occurred in Japan.

This area once suffered from severe pollution.

This is an important problem.

Do you understand the importance of this project?

It is difficult to predict the occurrence of earthquakes.

When the earthquake occurred, we evacuated immediately.

He decided to descend from the mountain because he got altitude sickness.

I live in Japan.

I love Japan.

Ancient Japan was a place where beautiful nature and culture merged.