An Indonesian teacher passionately teaching in front of a classroom, wearing a batik-patterned shirt, black long pants, and leather shoes. He stands in front of a chalkboard, enthusiastically explaining concepts. Ultra-high detailed, 8k resolution, with sharp focus on the teacher's animated gestures and the intricate details of the chalkboard. The scene is brightly lit, capturing the dynamic interaction between the teacher and the chalkboard, framed by students' desks.