This park is always empty.

Learning about the history of Samhan is very important for understanding ancient East Asian culture.

I plan to visit and observe a class at school tomorrow.

Tomorrow, we plan to visit and observe our children's school.

This circle looks perfect.

There is a beautiful circular fountain in this park.

Mr. Yen is my best friend.

This old painting depicts the perfection and harmony as a symbol of roundness.

A round table is placed in the center of the room.

Maru is my best friend, always helping me.