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Video: Chess as E-Sport

• Image credit: Shixart1985, CC BY-SA 2.0, https://creativecommons.org/licenses/by/2.0/deed.en, https://commons.wikimedia.org/wiki/File:Engaging_chess_match_with_colorful_pieces.jpg
• Image credit: TedColes, CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/deed.en, https://commons.wikimedia.org/wiki/File:Creed_model_6S-2_paper_tape_reader.jpg

Video: Vogelherd Mammoth Language Study

• https://www.pnas.org/doi/10.1073/pnas.2520385123

Video: 30 Years War

• **Roman Zázvorka CC BY-SA 4.0,** https://creativecommons.org/licenses/by-sa/4.0/deed.en, https://commons.wikimedia.org/wiki/File:Prague_Castle_at_night_2020.jpg (more work available at  **www.commons-romanzazvorka.org)**
• Falk2 CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/deed.en, https://commons.wikimedia.org/wiki/File:J21_997_Veitsdom,_Chor.jpg
• Chris Morgan CC By-SA 2.0, https://creativecommons.org/licenses/by-sa/2.0/deed.en, https://commons.wikimedia.org/wiki/File:Dung_heap_beside_The_Rake_-geograph.org.uk-_4201337.jpg
• DavidDijkgraaf CC By-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/deed.en, https://commons.wikimedia.org/wiki/File:Thirty_Years_War_Collage.jpg

Video: Qin Shi Huang’s Great Wall

• BabelStone CC BY-SA 3.0 rice laborers, [[https://creativecommons.org/licenses/by-sa/3.0/deed.en,](https://creativecommons.org/licenses/by-sa/3.0/deed.en](https://creativecommons.org/licenses/by-sa/3.0/deed.en,](https://creativecommons.org/licenses/by-sa/3.0/deed.en)

https://commons.wikimedia.org/wiki/File:Brick_relief_depicting_rice-husking.jpg

• 慕尼黑啤酒, CC BY-SA 3.0 han wall,

https://creativecommons.org/licenses/by-sa/3.0/deed.enhttps://commons.wikimedia.org/wiki/File:Great_Wall_of_Han_Dynasty.jpg

• Ksyrie CC 3.0-SA great wall of qin dynasty,

https://creativecommons.org/licenses/by-sa/3.0/deed.en