On June 10th 2017 the municipal council of the town Grieskirchen has been invited for guids to two huge frescos: Elfriede Romankiewicz explained historical background and many details of the biggest free fresco of the Renaissance at Schloß Parz - the topic is reformation; age about 430 years. Kurt Niel explained the KEPLERUHR - age 4 years; relation to Renaissance at least by Johannes Kepler. The distance of both frescos is about 15 minutes walk.