Due to vanishing glaciers and snowfields in the past years normal route up to L'Ailefroide Orientale is mainly through (easy) rock nowadays, mostly walking ground with one or two short pieces of UIAA I-II. What is left from the glacier has become steeper and grading in the actual french guidebook therefore has advanced from "F" to "PD".
As others have already stated in the captions of their pictures, altitude of Sélé hut is 2511m, not 2710m (which maybe is the height of the old hut used as winter hut nowadays). So ascend (on the second day) is 1330m taking usually 5h, as a french guide told us.
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