Gràcies!
bonet.marta@gmail.com mbonet@grupsagessa.catAcknowledgements:
Merixell Arenas
Magda Font
Víctor Hernández
Glòria Baldó
Xavi Fillat
.....
Kilian Jornet: climbed in may 2017 the north face of Mount Everest (8.848m) in a
single push, twice in a week, without oxygen nor fixed ropes.