Sky-scrapers of New York dim lights to help out migratory birds - 3 September

As per the official report many of sky-scrapers of New York City are switching off their lights in order to help out the migratory birds.

According to the research due to sky-scrapers about 90,000 migratory birds die every year resulting of hitting the high-rise-buildings. The dimmed light helps them to find the right path.