Why can Ha Ha Jing find such a person? Why not get close to bright buttons, electroplating, light bulbs, watches, cans and so on. Your nose may be photographed very big or very small, depending on whether the surface of the object above is concave or convex. The surface of the mirror is uneven, which is the mystery of the mirror, and the imaging principle of the flat mirror is used. The reflection of light becomes a virtual image.
If you add some glycerin or sugar to the soapy water, blow up the soap bubbles and adjust the distance between you and the soap bubbles, you will see your upright image from the convex surface of the front, which is really a miracle.