For who is interested, some things about Alberto in the Eurosport Insiders docu about the Kilimanjaro expedition:
halfway through, Alberto says it is easier to him than racing, partly because there's less pressure.
Alberto constantly looks after other people, asking if they're okay and lending a hand to people
Alberto and a group of guys, including Ivan, Michael Valgren, Chris Anker, Majka reach the top of a steep climb before others, they decide to go back and help others
It is mentioned that normal people do the last part (the steep climb to the top) and the road back to base camp in around 12 hours, Alberto did it in 6 hours
And my personal favorite:
Alberto tells us that there are certain things that happened that would have never happened if not for the expedition, he says, for example, that in the last stretch, he was in a small group with Valgren and Kiserlovski. They reached Stella point (at 5740m altitude, 155m left to go), and Kiserlovski was super cold. Valgren and Alberto were cold too, and they looked at each other, and then did a group hug for about two minutes