He has a deep interest in astronomy.

An astronomical unit represents the average distance from the Earth to the Sun.

He is a very competent onmyoji, and is respected by many people.

Under the Ritsuryō system, the Onmyōji was an important position in the state.

He is deeply interested in Onmyodo, and incorporates its philosophy into his daily life.

He learned about hermaphroditism in his biology class.

The teachings of the School of Naturalists were for understanding the laws of nature and the order of the universe.

The culture of classical antiquity has a significant impact on the modern world.

The creatures of the ancient times were significantly different from the creatures of today.

The buildings of Ancient Rome still inspire many people today.