QUE ES RIESGO

[youtube]http://www.youtube.com/watch?v=xfH3p7V35QU&feature=related[/youtube]

[youtube]http://www.youtube.com/watch?v=ogoEuT2pGJ0&feature=related[/youtube]

[youtube]http://www.youtube.com/watch?v=E7bNwBruR9I[/youtube]