rainbow Nacreous Clouds - Iceland - Polar stratospheric clouds or PSCs, also known as nacreous clouds (from nacre, or mother of pearl, due to its iridescence), are clouds in the winter polar stratosphere at altitudes of meters.
"Amazing photo of Mount Ararat, Turkey". except, Mount Ararat has been dormant for at least years Millenium, B. This is a photo manipulation by Sako Tchilingirian. The ash cloud is from a Chilean volcano.