New Delhi: A ghostly alien city has been spotted in the sky over the city of Foshan in the Guangdong province of China by the residents. A mysterious 'city' appeared above the clouds, leaving everyone in shock.
The phenomenon includes various skyscrapers and tall buildings with trees floating in the sky.
After few days of the incident, another such occurrence took place in the Jiangxi city (Southeast of China). Several people recorded the entire scenario on their cameras.
Experts believe that the phenomenon might be an illusion called 'Fata Morgan'.
What is Fata Morgana?
A Fata Morgana is often rapidly changing. The mirage comprises several inverted (upside down) and erects (right side up) images that are stacked on top of one another. Fata Morgana mirages also show alternating compressed and stretched zones.
A Fata Morgana can be seen on land or at sea, in Polar Regions or in deserts. This kind of mirage can involve almost any kind of distant object, including boats, islands and the coastline.