This shape is called a bicone.

This bicone shape is mathematically very interesting.

He was imprisoned as a political prisoner for political reasons.

This project is a total war for us.

He is known as the highest leader of the organization.

The Sōkeisen is a major event that gets very exciting every year.

He participated in the ceremonial music at the palace.

This year's fruit harvest has significantly decreased due to frost damage.

He is the general manager of our hotel.

He is known as the Patriarch of the Russian Orthodox Church.