From 9h05 'to 9h15', on April 3, in Hon Gai area, Ha Long city happened strange natural phenomenon, the sky suddenly darkened like night. On the streets, vehicles involved in traffic, people have to turn on the lights, people rush to the door to witness the strange phenomenon.
The sky suddenly darkened at 9h05 '
The day suddenly "turned into" night
Vehicles participating in traffic on Nguyen Van Cu street turn on the light between "daytime"
Old market area of Column 5
The house turned on the light at 9h08 '
People see strange phenomena of nature
After 10 minutes, Ha Long City brightened again
