The #NorthernLights lit up the skies over Mammoth Hot Springs @YellowstoneNPS last night #AuroraBorealis pic.twitter.com/08Sma4mB6q — US Dept of Interior (@Interior) June 23, 2015
The #NorthernLights lit up the skies over Mammoth Hot Springs @YellowstoneNPS last night #AuroraBorealis pic.twitter.com/08Sma4mB6q
— US Dept of Interior (@Interior) June 23, 2015