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Attribution Notes:
Photos used in video:
Portrait of Columbus: https://commons.wikimedia.org/w/index.php?curid=27554267.
Bust of Pythagoras: https://commons.wikimedia.org/w/index.php?curid=2580073
Bust of Aristotle: https://commons.wikimedia.org/w/index.php?curid=1359807
Painting of John Cabot: https://commons.wikimedia.org/w/index.php?curid=3912470
Background material was gathered from the following sources:
