Explain the phenomenon of dark black in the daytime in Ha Long
At about 9:00 am to 9:00 pm on April 3, the area of Hon Gai (Ha Long, Quang Ninh) suddenly occurred strange phenomenon: the sky suddenly darkened, causing people to turn on theStrange phenomenon, the day of the
From 9h05 to 9.15am, on April 3, in Hon Gai area, Ha Long city happened strange natural phenomenon, the sky suddenly darkened like night.