Night Lights is a type of lighting used to provide illumination or additional illumination during night time. It plays an integral part in our daily life and activities in urban areas. As night time approaches, the streets, homes, and buildings are brightly lit with various night lights. Common night lights include street lamps, aircraft landing lights, neon signs, and porch lights. During the night, these night lights provide a warm and pleasant environment. They also keep people safe from crime, making it easier to spot suspicious activities on the streets. Night lights not only bring security and convenience, they also improve people's sleep quality. Night lights block out the light from street lamps and will help people go to sleep faster, also provide enough lighting for night activities, such as reading or going for a nighttime walks Down a street illuminated by street lights. Moreover, night lights have become a part of the culture in many cities. For example, in Shanghai, tourists will take evening cruises along the Bund, to enjoy the relaxing view of the Huangpu River. The view along the river is made even more beautiful and romantic by multi-colored neon signs and thousands of night lights in the night sky. Therefore, it can be concluded that night lights are a necessary part of life in most urban areas. They provide us with safety, convenience, and also make our cities more visually appealing at night.