This video is created using a transformative content approach and adheres to the fair use principles under YouTube’s copyright policy. All original clips used in this video have undergone extensive editing, including added voice-over narration, a restructured storyline, and visual adjustments that require approximately 2–3 hours of production.

Our main goal is to provide added value to viewers by presenting information in a more educational, engaging, and easy-to-understand format. We always strive to ensure that all materials comply with copyright rules and follow YouTube’s Community Guidelines.4