by Bright Side
We may think that human knowledge about the Earth is comprehensive and absolute, but that couldn’t be further from the truth. We at Bright Side have compiled some of the rarest and most incredible natural phenomena that prove us almost totally ignorant of our planet.
Tower spires and mast tops are sometimes lit by ghostly fires, usually during a storm.
Medieval Europeans believed these dancing lights to be the promised gift of St. Elmo, the patron saint of sailors: legend has it he promised to pray for them and give warnings in the form of lights on masts.