Iridescent clouds in South America in July 2016

At this time of year winter begins in the Southern Hemisphere, which means there is a shortage of natural ozone in the stratosphere areas.

Due to the lack of ozone, it the ozone hole formation, ultraviolet rays react with atmospheric gas, so there are iridescent clouds.

Different color they give new compounds of gases reflecting the sun’s rays, these compounds occur naturally in the ozone holes.