Practice more problem-solving at https://brilliant.org/TedEd -- Bad news: your worst enemies are at the gate. Your fledgling kingdom guards the world’s only herd of tiny dino creatures. To you, they’re sacred. To everyone else, they’re food. The three closest nation-states have teamed up to smash open your walls and devour the herd. Can you build fortifications for your kingdom before the siege weapons arrive? Henri Picciotto shows how. Lesson by Henri Picciotto, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/can-you-solve-the-fortress-riddle-henri-picciotto Dig deeper with additional resources: https://ed.ted.com/lessons/can-you-solve-the-fortress-riddle-henri-picciotto#digdeeper Animator's website: https://www.artrake.com ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Harshita Jagdish Sahijwani, Nick Johnson, Carlos H. Costa, Robert Patrick, Jennifer Kurkoski, Ryan B Harvey, Abhishek Bansal, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, JY Kang, Abhishek Goel, Heidi Stolt, Christina Salvatore, Karlee Finch, Michael Goldberg, Denise A Pitts, Doug Henry, Keven Webb, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Curtis Light, Dianne Palomar, Marin Kovachev, Fahad Nasser Chowdhury, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Sunny Patel, Hoai Nam Tran, Stina Boberg, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Jurjen Geleijn, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn and Venkat Venkatakrishnan.