He is conducting research on a new energy source.

This ancient artifact is very valuable.

It is very interesting to learn about ancient history.

She adored him, whose name was Su, from the bottom of her heart.

Sū is my best friend.

I saw many animals at the zoo.

We have a custom of visiting a shrine to worship at the beginning of the New Year.

Every year, my family and I worship at a shrine on New Year's Day.

She is planning a date with her current boyfriend.

He lost everything.