On May 7, citizens of the Chinese city of Zhoushan witnessed a scene which seemed right out of a movie, blood-red sky. The citizens of the Chinese port city were in for a shock as the sky turned blood-red covered under thick layers of fog. This unusual sight triggered panic among the people. Several videos of the blood-red sky went viral on social media. The sight led to fear of a massive fire as people posted pictures and videos on social media. Reportedly, the phenomenon occurred by the refraction and scattering of light. Watch the video to know more.