#3MaterialsDrawingChallenge Day 26/31 Cold night, hot day. The St. John's wort (Hypericum) has mostly finished flowering. Field bumblebees and honeybees are visiting the flowers. #InverteFest 🐝 #naturejournaling 🌱 #naturesketching #coloredpencildrawing #FineArt #sketchbook #art #kleineKunstklasse