In the video, a person is cooking a dish that involves diced vegetables. The person is using a pan to cook the vegetables, and they are stirring them with a spatula. The vegetables appear to be a mix of carrots, celery, and onions. The person is cooking the vegetables over a gas stove, and the flame is visible under the pan. The vegetables are being cooked until they are soft and have a slightly caramelized appearance. The person is continuously stirring the vegetables to ensure even cooking. The colors of the vegetables are vibrant, with the orange of the carrots, the green of the celery, and the white and purple of the onions creating a visually appealing dish. The sound of the vegetables sizzling in the pan can be heard, adding to the sensory experience of the video.