Jiangxi Province (floating city sighting)

Unlike traditional archaeological sites, the Jiangxi Province floating city sighting represents a modern atmospheric phenomenon that has generated scientific investigation rather than excavation. The reported event occurred in October 2015, when thousands of witnesses across different locations within the province claimed to observe large, building-like structures appearing to float in the sky above the landscape.

Atmospheric scientists and meteorologists have proposed that such sightings could result from a rare optical illusion known as Fata Morgana, a complex form of superior mirage that can make distant objects appear to hover above the horizon. This phenomenon occurs when layers of air at different temperatures create a natural lens effect, potentially projecting images of distant cities or landscapes into the sky. The geographic and climatic conditions of southeastern China, with its river valleys and varying atmospheric densities, could theoretically support such optical effects.

The scientific consensus favors atmospheric explanations for the reported phenomena, though the timing of multiple sightings across different provinces has generated ongoing debate. Researchers note that Fata Morgana mirages can occur independently at different locations when similar atmospheric conditions are present, potentially explaining the reported sightings without requiring coordinated causes.

What remains genuinely uncertain is the exact atmospheric configuration that may have produced the reported visual effects, and whether all witness accounts describe the same type of phenomenon. The lack of consistent photographic evidence and the subjective nature of eyewitness testimony make definitive analysis challenging, leaving room for continued speculation about both conventional and unconventional explanations.