Salmon return to their spawning grounds by going upstream.

Salmons make a great effort to go upstream the river.

He wrote a sentence using superscript numbers.

This design is top aligned.

He is good at keeping balance on a horse's saddle.

My friend was born and raised in mainland China.

My dream is to visit the Republic of South Africa.

He is studying the history of African Americans.

He is the type of person who forgets the heat once it passes the throat.

The Republic of South Africa is located at the southernmost tip of the African continent.