Dramatic Optical Illusion

BBC: "'Hovering ship' photographed off Cornish coast by walker"

[BBC meteorologist David] Braine said: "Superior mirages occur because of the weather condition known as a temperature inversion, where cold air lies close to the sea with warmer air above it.

"Since cold air is denser than warm air, it bends light towards the eyes of someone standing on the ground or on the coast, changing how a distant object appears...