In the village of Krasnaya Gorka, which is located sixty kilometers from St. Petersburg, is a lighthouse.
It was built back in 1953.
It is a lens through which light is directed in all directions.
At one point, the lens is made pane through which you access the bulbs. Noteworthy is the system automatically replace light bulbs. If the lamp suddenly burns out, the control system will keep track of it, and the other light snaps on her shift. Light keeper is only necessary to check the efficiency of the replacement system and replace the burnt bulb in the drum.