With the rapid development of the global economy. the over-expansion of outdoor artificial light at night (ALAN) in cities has led to increasingly severe light pollution worldwide. More and more studies have paid attention to the problem of light pollution. but there is still a lack of systematic literature review on nighttime light pollution in terms of research progress. https://www.jmannino.com/mega-pick-Royal-Nomadic-5413-Rug-Ivory-Black-limited-super/