https://www.facebook.com/groups/266282843489204/
PS.
Bergerkollen var et yndet motiv, for Holmsbu-malerne, (som min grandonkel Gunnar Bergstø, var en av), i sin tid:
http://johncons-mirror.blogspot.no/2016/08/det-her-er-en-av-min-grandonkel-gunnar.html