Chong-Mi Müller and dentist Dr. Jürgen André presented their books at the Rainbow Spirit Festival in Munich. The interest in the topics was very high.
Rainbow Spirit Festival 2012
![](https://www.ennsfellnerconsulting.eu/wp-content/uploads/2022/01/causal-buch.jpg)
26
May 2012
Chong-Mi Müller and dentist Dr. Jürgen André presented their books at the Rainbow Spirit Festival in Munich. The interest in the topics was very high.