A strange and beautiful phenomenon captivated observers in Con Dao on the evening of July 5th, sparking widespread discussion on social media. Images and videos of the unusual spectacle quickly circulated online, prompting curiosity about its origin. The phenomenon has generated significant public interest, with many eager to understand what caused the striking display in the night sky. Details regarding the exact nature of the event remain unclear, but social media users have shared their observations and speculations. Some have noted that cameras were able to capture the event, providing visual evidence of the anomaly. Further investigation is needed to officially identify and explain the phenomenon witnessed above Con Dao.