Impresionantes videos realizados por Avigamo de la Canal Central del Friero en los Picos de Europa
http://www.youtube.com/watch?v=v7l-RU2ApTI#noexternalembed&feature=related (http://www.youtube.com/watch?v=v7l-RU2ApTI#noexternalembed&feature=related)
http://www.youtube.com/watch?v=SXlSNynYK-Y#noexternalembed&feature=related (http://www.youtube.com/watch?v=SXlSNynYK-Y#noexternalembed&feature=related)
http://www.youtube.com/watch?v=E3wpAbS-vCk#noexternalembed&feature=related (http://www.youtube.com/watch?v=E3wpAbS-vCk#noexternalembed&feature=related)