A stunning photo of the aurora over Siberia has been captured from a 747 cockpit by pilot Christiaan van Heijst.
Christiaan takes up the story.
“Completely unexpected this time of year: a fierce show of dancing northern lights while crossing the Siberian plains. What started as a dim green glow, barely visible to the naked eye, soon turned into a frenzy of bright lights with luminescent purple pillars that reached far into space.
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