An hour before sunrise and half an hour after sunset, the urban night scene or the artificial light under the moonlight, every subtle change of light will produce magnificent and exciting images. It's dark, let's go take photos! Make use of the faint natural or artificial light to shoot natural or cultural landscapes in the wild or in the city. Appropriately extend the exposure time according to the brightness of the light. This time we want to explore the secrets of "low-light photography".