First, a little story about the blue oak, my label for the offers on inside.ch:
On 21. August 2016 I met this old venerable oak tree on the Obra Tour. That same year I attended a course where I earned the nickname 'Blue Oak'. Today I own an oak forest, which is what my offers ultimately revolve around. Many oaks grow skyward in this forest and so do my ideas. The logo originates exactly from this Obra oak, as you can see on the left.
The 'Blue Oak' offers are all related to the oak forest of Faucogney-et-la-Mer, with the exception of the apartment. However, this is also used as a basis for the forest actions if necessary:
