His first one-person exhibition was a great success.

The core part of this machine requires very complex engineering.

His taste in music is really hardcore.

The character of the nation of Japan is a constitutional monarchy.

My friend came from the Republic of Korea.

He deeply understands the culture of his own country.

He is interested in the culture of foreign countries.

The United Kingdom of Great Britain and Northern Ireland is located in the western part of Europe.

What is his nationality?

This ebony tree has been standing here for over 100 years.