According to the official GPX the Alta Via no. 2 is crossing in between these buildings somewhere, so there must be a path or footway, but this is invisible from the Imagery. Local survey is needed to determine where this path is, or if the Alta Via no. 2 is going somewhere else.
2020-10-18: the official GPX the Alta Via no. 2 corresponds to the footway mapped on OSM, anyway eliminated some interference between footway and bulding (survey+Bing)
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