13 NOVEMBER 2014 

Spring in Inca City ISpring in Inca City I
Every winter a layer of carbon dioxide ice condenses in the Southern polar region, forming a seasonal polar cap.
Spring in Inca City IISpring in Inca City II
Dark spots on the ridge show places where the seasonal polar ice cap has ruptured, releasing gas and fine material.
Spring in Inca City IIISpring in Inca City III
We see how the number of fans and blotches depends on the thickness of the ice layer and how high the sun is in the sky.
Spring in Inca City IVSpring in Inca City IV
At certain times in spring, fans take on a gray or blue appearance. This is the time in Inca City when this phenomenon happens.
Spring in Inca City VSpring in Inca City V
The layer of seasonal ice has started to develop long cracks, and fans of dust are emerging from them.

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