Collegatevi ai presenti Link per vedere i video caricati

http://www.youtube.com/watch?feature=player_detailpage&v=w_uBL65b09I

http://www.youtube.com/watch?feature=player_detailpage&v=fvKd-HWC3AI

http://www.youtube.com/watch?feature=player_detailpage&v=Q7Klk9S3W9U