Once upon a time, there was a man called the old man of Taketori.

The short-beaked echidna, a species unique to Australia, is known for its distinctive appearance.

I bought fresh fruits in the basement of the department store.

He is making music in the basement.

He was locked up in the dungeon.

The underground water in this area is very clean and is used as drinking water.

I commute using the underground line.

I commute by subway every day.

He is an expert in seismology.

A large earthquake occurred yesterday, throwing the entire town into chaos.