http://www.7sobm.co.uk/work/an-over-rated-artist/
http://www.7sobm.co.uk/work/an-over-rated-artist/
https://prezi.com/leaawsjjqg-u/renaissance-art/
http://www.openculture.com/2016/04/leonardo-da-vinci-draws-designs-of-future-war-machines.html
http://complotmagazine.com/7-inventos-de-leonardo-da-vinci-que-cambiaron-el-mundo/
http://da-vinci-journals.tumblr.com/post/117462495591/leonardo-came-up-with-an-early-design-for-what-is
https://sk.pinterest.com/pin/499547783646796329/
https://sk.pinterest.com/bmbrissett/dd3000-futures-project-di-vinci/
https://science.slashdot.org/story/04/04/24/2211228/526-years-on-da-vincis-clockwork-car-constructed
