When I looked up at the sky, a beautiful blue sky was spread out.

The sky is blue, and the weather is nice, isn't it?

He prayed to the heavens.

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

How did the ancients live?

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

The philosophy of Ancient Greece has a significant influence on modern thinking.

The buildings of Ancient Rome still inspire many people today.

Yusei is my best friend.

Fuyoshi-kun, have you finished today's homework yet?