Wednesday started with the visit of the Museum of Folk Culture and Traditions of the Vlachov Region. Later we visited the herb farm Květomluva that was awarded with prestigious prize „BEST ECO-FARM IN THE CZECH REPUBLIC 2023. The farm makes herbal elixirs, syrups, tea, oils and products made of own herbs, vital fungi and spices, and herbal bath and massage oils for relaxation purposes. They also make special food products, for example herbal crackers, bars, coffee products, etc.. After an extensive lecture we could enjoy the herbal tea selection, coffee and bars made of dried fruits offered for sale in the company shop in bio- quality. Cooperage Fryzelka was our last stop in the village Vlachovice. It is a family business specialized in the traditional manufacture of wooden vats, tanks, bathtubs and flower pots. We were served with tasty lunch and afterwards we returned to the school where we were divided in groups. We had a workshop dealing with mathematics application in the nature. Finally the tasks were evaluated and our third day was at the end.