A man demonstrates a large Van de Graaff generator indoors. The scene takes place against plain white walls, indicative of a science museum, educational facility, or laboratory setting in Tepebaşı, Turkey. The primary subject is a Van de Graaff generator, featuring a prominent, polished metallic sphere atop a tall, transparent insulating column. This column is anchored to a sturdy yellow rectangular base, which houses electrical components. Another smaller, yellow rectangular unit sits adjacent to the main base, possibly a power supply or control box. To the right, a man, dressed in a dark long-sleeved shirt and dark trousers, interacts with the generator. He holds a long, black insulated stick with a small metallic sphere at its end. He extends this smaller sphere towards the large sphere of the generator, creating visible electrical sparks and discharges between the two metallic surfaces. A black cable runs from the stick he is holding, down towards the floor. The activity is a clear demonstration of electrostatic principles, with the generator actively producing high voltage static electricity. The room is illuminated by artificial lighting, and a ceiling-mounted smoke detector or light fixture is visible overhead. No visible text is present in the image.