He owns a big house.

We often have picnics by the river on weekends.

He treats us as a big friend.

We often have picnics by the river on weekends.

We have a picnic by the river every weekend.

My father owns five boats.

There is a large weir in this river.

I am planning to go to Seki City in Gifu Prefecture next week.

This weir was built to regulate the water level of the river.

He picked up the small torch and illuminated the darkness.