3 Dec. 2019
The Northern Lights are seen above the ash plume of a volcano in Eyjafjallajokull, Iceland, April 22, 2010. Picture taken April 22, 2010. REUTERS/Lucas Jackson/File Photo SEARCH "POY DECADE" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.