We traveled through countries that are joined by land.

It is very interesting to learn about the geography of a subcontinent.

I saw the snow falling in the park.

His poetry is beautiful and diverse, like a rikushutsu.

Landing ships are used to transport soldiers to the enemy's coast.

He performed a circus act on a unicycle.

Vitamin B1 plays an important role in energy production.

I don't know a thing about him.

He was promoted to the rank of Second Lieutenant last year.

He is preparing to explore the Dark Continent.