The photos

Tocllaraju base camp
© Yannick Boissenot

Tocllaraju (6034m), Peru
© Yannick Boissenot

The unmistakable El Escudo on Huascaran Sur, Peru
© Yannick Boissenot

Mount Artesonraju (6025m), Peru
© Yannick Boissenot

Yannick Boissenot, Frederic Gentet and Stéphane Roguet in Peru
© Yannick Boissenot