The Imperial Valley is a beautiful place in California.

This product is a limited edition.

He is studying the history of the Roman Empire.

This year is a common year, so February goes until the 28th.

He belongs to the strongest army corps.

He looked out over the vast flat plain.

The history of the German Empire is very interesting.

I climbed up the gangway and got on the ship.

The quality of this product is gradually decreasing over time.

The profits of that company are gradually decreasing year by year.