A male 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 whiteboard, animatedly explaining concepts. Ultra-high detailed, 8k resolution, with sharp focus on the teacher's enthusiastic expressions and the intricate details of the whiteboard. The scene is well-lit, capturing the dynamic interaction between the teacher and the whiteboard, framed by students' desks.