The benefits of alpine style include spending much less time on the route, thereby reducing objective dangers such as avalanches or blizzards.
It is however a demanding 3,100-metre ascent with objective danger in the upper part.
By August, objective dangers from crevasses, avalanches and rock fall increase substantially as the snow cover begins to melt.
As evidence, the accused must be able to point to an "objective danger" or at least satisfy the requirement of reasonable belief.
Certainly there are objective dangers, ones that come with the territory and cannot be controlled.
They were aware of the objective dangers of the wall but they decided to go as high as possible, without compromising their lives.
Concerns include low temperatures, variable weather, and the objective dangers of the mountain environment.
The ethics of employing a guide and then taking him into an area where there was significant objective danger created a considerable controversy at the time.
Very hard, routes at this grades are serious undertakings with high level of objective danger.
Factors which determine grade are (in descending order of contributing weight): technical difficulty, objective danger, length and access.