This presentation will help you to select appropriate media (text, audio, graphics/photos, and video) for a given instructional strategy, as each medium has different strengths and weaknesses.
Show the image called 18c-Hard to Describe Visual.jpg
The first video is not effective for influencing attitudes - stop it before 1 minute 50 seconds, the words afterwards are inappropriate.
The second video can be effective in that it can evoke emotions.