sábado, 24 de marzo de 2012
http://www.slideshare.net/cyt1989/los-hombres-de-la-prehistoria-power-point
http://www.youtube.com/watch?v=-oQVfT1C9Fk
http://www.youtube.com/watch?v=bxngHiCoTYU&feature=fvwp&NR=1
http://www.youtube.com/watch?v=TVA1V3DfqIs&feature=related
http://www.youtube.com/watch?NR=1&feature=endscreen&v=u02XL4T_38E