He was recalling fondly the summer vacations of his childhood.

Tsutomu vowed eternal love.

The People's Democratic Republic of Yemen was once an existing country.

He is suffering from acquired immune deficiency syndrome (AIDS).

Zero is used to represent absolute zero.

The United Nations Security Council plays a crucial role in maintaining world peace and security.

When I opened the fortune cookie, there was an interesting phrase written inside.

He obtained a copy of his family register at the city hall.

It grew as splendidly as a bulrush.

Archi is a part of ancient architecture.