US Defence Secretary Mattis visits Vietnam

The video discusses the concept of vibrant people, highlighting their presence and absence. It concludes with a brief reminder.

What is the main idea discussed about vibrant people?

• They are always absent.

• They are present but not always noticeable.

• They are always present and noticeable.

• They are never present.

What does the reminder section likely emphasize?

• An unrelated topic.

• A new concept introduced in the video.

• A summary of the entire video.

• A key point previously discussed.