3 ms·
Leonardo's bike design is a hoax: http://www.cyclepublishing.com/history/leonardo%20da%20vinci%20bicycle.html http://www.cyclepublishing.com/history/leonardo%20
by neves 16y ago
Leonardo's bike design is a hoax: http://www.cyclepublishing.com/history/leonardo%20da%20vinci%20bicycle.html http://www.cyclepublishing.com/history/leonardo%20da%20vinci...