Probably every inhabitant of the planet is familiar with the Lighthouse of Alexandria. Built in the third century BC, today it is known as one of the seven wonders of the world. Even then it was built for a specific purpose - this lighthouse helped sailors to safely pass the reefs, which were encountered in large numbers on the way to the Alexandrian Bay. Where are the most mystical lighthouses in the world located? And what does the word "lighthouse" mean? Find answers to these and many other questions below