Some animals are amazing architects and engineers. Thoughty2 reveals seven amazing structures built entirely by animals! SUBSCRIBE - New Vids Mon & Thurs: http://bit.ly/thoughty2 Ask a Question on Thoughty2.com: http://thoughty2.com/ask Support me on Patreon: http://thoughty2.com/patreon Thoughty2 Facebook: http://thoughty2.com/facebook Thoughty2 Twitter: http://thoughty2.com/twitter Thoughty2 Merchandise: http://thoughty2.spreadshirt.com With Special Thanks To: Misha A-Wilson, Katrina Brogan,