He was observing a three-dimensional image using a stereoscope.

I cross this overpass every day to go to school.

This wooden bridge has existed since ancient times.

I move the lance forward and checkmate the opponent's king.

I think he is a true strong person.

Every day, copying sutras by hand calms my mind.

He is painting a picture using a brush.

He is a renowned political scientist who has written many important papers.

On days when the solar radiation is strong, don't forget to apply sunscreen.

Please submit the report before the day is done.