Mammatus over Mount Rushmore, USA – the 4 US Presidents

[Laurence Green]

Here is a very nice and pleasing photo of Mammatus clouds over the four USA Presidents whose images cared into the stone cliffs at Rushmore.

Here is the link to open the image complete with a concise explanation, via the NASA APOD website:-

https://apod.nasa.gov/apod/ap201207.html

Laurence

 

 

 

 

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