This region has become fertile due to volcanic ash.

The volcanic ash covered the entire town.

This region is covered with fertile soil.

This region is covered with fertile soil.

In my area, a summer festival is held every year.

It is said that an extinct volcano will no longer erupt.

We are planning to visit the volcanic island during summer vacation.

Mr. Okazaki is my best friend.

This room doesn't have an air hole, so it's especially hot in the summer.

I cooked a meal using quinoa.