In the video, a person is seen painting a picture of mountains using watercolors. The person is using a paintbrush to apply the paint to the canvas, and the painting is in progress. The mountains in the painting are depicted in various shades of blue, green, and purple, and the person is adding details to the mountains using a lighter shade of blue. The person's hand is visible, and they are wearing a red shirt. The painting is set against a green background, possibly a grassy field.