He is interested in the history of the Old World.

His grandfather fought in the Second World War.

The charm of his novel is its unique worldview.

His worldview is very unique, always providing a new perspective.

Please teach me how to find the greatest common divisor.

I live in Shunan city.

We traveled to the southern island for summer vacation.

He was fascinated by the beautiful scenery of the southern country.

My friend lives in South Australia.

The culture of Nan'a is very rich, and many people are fascinated by it.