A dramatic circular opening spotted in the sky above Phoenix has gone viral after images were shared by Meteo Balkans. The formation appeared as a perfectly round gap in an otherwise solid cloud layer. ☁️🔵

Some online users quickly speculated about unusual causes.

🔬 Meteorologists identify the phenomenon as a “Falling Streak Hole” — a rare but natural event caused by sudden ice crystal formation within clouds.

✨ Though eye-catching, the formation has a well-documented scientific explanation.