Rainbow-coloured clouds in the shape of a stairway were seen in the skies above Hong Kong, wowing onlookers who spotted them hanging over Tsing Yi earlier this month.
Describing it as a “rainbow stairway to heaven”, the Observatory on Monday shared photos taken by a resident on its social media page and explained how the rare phenomenon was created.
“This is a result of the collaboration between distrails and iridescent clouds,” it said.
The photos were taken in Tsing Yi on October 4.
Distrails,…