Mr. Yama is my best friend.

Mount Fuji is the highest mountain in Japan.

He loves mountain climbing.

This mountain was the stage for historical events.

He read quite a lot of books.

When spring comes, I go to the mountains to look for bamboo shoots.

She is confident in her big breasts.

This atomic bomb uses an implosion method.

The star implodes and becomes a black hole.

His bike was speeding wildly.