7 Most Innovative Leonardo Da Vinci Inventions | Way Ahead of His Time \r
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Robotic Knight - \r
City of the Future - \r
Self-Propelled Cart - \r
Armored Tank - .\r
Machine Gun - \r
Diving Suit - \r
Ornithopter - \r
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SoundTrack:Journey\r
Mycelium (\r
Licensed under Creative Commons: By Attribution 3.0\r
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Intro: Redletter \r
Kevin MacLeod (incompetech.com)\r
Licensed under Creative Commons: By Attribution 3.0 Unported\r