We visited the moated burial mound and learned about the lives of ancient people.

This square moated burial is one of the important archaeological sites of ancient Japan.

He values his private life.

I visit my grandparents' house every summer.

In the park, people were playing happily.

I like to study new languages.

He dug a ditch in the garden.

The Mariana Trench is the deepest part of the earth.

We visited our grandfather's grave.

He is living a simple life.