October winner. “A burst of the aurora borealis over Kirkjufell, taken in September 2016. This shot has been a holy grail for me and was finally captured after many trips”. MICK RYAN, JUDGE: Iceland is a hotspot for aurora photography and this composition of the symmetric, free-standing Kirkjufell and the trident waterfall is much-sought after. If you can time your visit when the aurora “kp” index is high and know the settings for nighttime aurora images, you may end up with a beautiful photograph like this. (Photo by DВ/The Guardian)

Vietnam’s Son Doong cave, the largest in the world, could hold a 40-story skyscraper inside. The pristine ecosystem has its own river and jungle. Despite its size, Son Doong wasn’t discovered until 1991. It was lost again for nearly two decades and was fully explored for the first time in 2009. (Photo by Jason Speth/HuffPost)

A member of the Brotherhood of Gentlemen Legionnaires of Asturias feeds its mascot after the governing body of the “Estudiantes” brotherhood decided that penance could not be carried out in the streets due to rain on Palm Sunday in Oviedo, northern Spain, March 20, 2016. (Photo by Eloy Alonso/Reuters)

Workers fold up a billboard to prepare for the coming of typhoon Vongfong, in Manila, Philippines on Thursday May, 14, 2020. The first typhoon to hit the country this year roared toward the eastern Philippines on Thursday as authorities work to evacuate tens of thousands of people while avoiding overcrowding in shelters that could spread the coronavirus. (Photo by Aaron Favila/AP Photo)

Peter Weiss, director of the Space Department of COMEX, (c) tests a pressurized suit identical to those used in space expeditions in the lava tunnel of “Caverne Gendarme” on October 12, 2018 in Saint-Philippe, the French overseas island of Reunion. Reunion could become a training site for astronauts. (Photo by Richard Bouhet/AFP Photo)

A member of indigenous peoples and organizations linked to indigenous movements are holding a demonstration in the center of Manaus, Amazonas, Brazil, 30 May 2023. Indigenous people protested against a bill that is being processed in Congress that could make it difficult to demarcate native lands. (Photo by Raphael Alves/EPA/EFE)

A person shields themself from snowfall as they walk to a taxi in Midtown Manhattan, New York City on January 6, 2024. Forecasters warned on January 5 that a deluge of snow and wintery conditions could bring travel chaos to the US northeast this weekend, with some 25 million people subject to a storm warning. (Photo by Adam Gray/AFP Photo)

Sue Hall goes for a walk in Charlton village in Worcestershire on Wednesday, May 22, 2024. Heavy rain could bring flooding and travel disruption across much of the UK on Wednesday and Thursday with an amber warning issued for part of the country. (Photo by David Davies/PA Images via Getty Images)