solar lights

The sight of a bright red light shone directly into the sky recorded by a resident in Tyumen, Russia, Newsflare reported on January 10.

There are more than 1 billion people in the world who don't know electric light. They have to use oil lamps - not bright enough, both harmful to health and the environment.

In the 21st century, mankind witnessed the rapid development of information technology, smart phones, 3D printers ... But there are still 1.5 billion people globally do not have