My room is on the second floor, and your room is above mine.

The process of terraforming is part of transforming other planets into a habitable environment for humans.

Earth science is an important field of study for unraveling the mysteries of nature.

I am an Earthling.

We are searching for extraterrestrial life.

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.