a mysterious phenomenon in the sky of Chuncheon

(1)Above Chuncheon and Yangyang Expressway around 10 a.m. today
(2)A lot of reports that they saw a cloud in a strange shape
(3)It’s like a cloud
(4)having a large hole in one’s mouth
(5)a strange cloud
(6)The hole is getting bigger
(7)the middle of a cloud
(8)have the shape of a bird
(9)Reported video
(10)one of the rare weather events
(11)Hole punch cloud punch hole cloud