View of Evolutions installation by artist Yann Nguema at the Saint-Jean Cathedral during the rehearsal for the Festival of Lights (Fetes des Lumieres) in Central Lyon, France, late December 7, 2016. (Photo by Emmanuel Foudrot/Reuters)

An Iranian man lights a firework during the Wednesday Fire celebration (Chaharshanbeh Suri in Persian) at a park in Tehran, Iran on March 12, 2024. (Photo by Majid Asgaripour/WANA vie Reuters)

A girl lights a candle during an Easter service in the Volodymyrsky Cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine, on May 4, 2024. (Photo by Alina Smutko/Reuters)

In this photo taken with a long exposure, a person walks a dog past Christmas lights in a park, Sunday, December 15, 2024, in Lenexa, Kan. (Photo by USA Today)

An urban Opossum covered in light snow visits a suburban Chicago deck on December 10, 2025. (Photo by H Rick Bamman/ZUMA Press Wire/Rex Features/Shutterstock)

An Indian Sikh Nihang (a traditional Sikh religious warrior) Baba 'Avtar' Singh wears an oversized giant traditional turban as he pay respects at the Golden temple in Amritsar on November 10, 2015 on the eve of the Indian festival of Diwali, the festival of lights. There will be no spectacular show of light and fireworks this Diwali at the Golden Temple as the Shiromani Gurdwara Parbandhak Committee (SGPC) has decided not to celebrate the festival in the wake of series of incidents of alleged desecration of the Guru Granth Sahib (Sikh holy book). (Photo by Narinder Nanu/AFP Photo)

Bikini-clad women sit as they operate a 3.6 metre-high custom-made female robot at the “Robot Restaurant” in Kabukicho, one of Tokyo's best known red light districts, August 15, 2012. (Photo by Tokyo Scum Brigade)

“Winter shapes, Moscow river”. Moscow river at this part is never covered by ice. When the temperature is very low it's possible to see a strong fog. Morning light and pipes of the oli factory creates a fantastic landscape. Photo location: Moscow, Russia. (Photo and caption by Sergey Rumyantsev/National Geographic Photo Contest)