Swiss Ivano Regazzoni , Athos Balestra and Franc0 Dellatorre attempted the north ridge of Ama Dablam .
Swiss Ivano Regazzoni , Athos Balestra and Franc0 Dellatorre could get no higher than 5700 meters on October 14 .
Swiss Ivano Regazzoni , Athos Balestra and Franc0 Dellatorre attempted the north ridge of Ama Dablam but could get no higher than 5700 meters on October 14 .