A light pillar is a visual phenomenon created by the reflection of light from ice crystals with near horizontal parallel planar surfaces. The light can come from the Sun (usually at or low to the horizon) in which case the phenomenon is called a sun pillar or solar pillar. It can also come from the Moon or from terrestrial sources such as streetlights.

A girl rides on a train as she takes part in the first edition of the No Pants Subway Ride in Bucharest, Romania, Sunday, January 11, 2015. The No Pants Subway Ride is an annual which was started in 2002 by Improv Everywhere in New York, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. (Photo by Vadim Ghirda/AP Photo)

Boys contort their faces as they participate in a game where they need to slide a coin from their forehead to their mouth to win, during the annual Feast Day of St. Rita of Cascia in Manila, Philippines on May 19, 2019. (Photo by Noel Celis/AFP Photo)

Hundreds of students take part in the traditional Raisin Monday foam fight on St Salvator’s Lower College Lawn in Scotland on October 21, 2019. The messy display is the culmination of a weekend of festivities where first years say thank you to their more senior student “parents” for mentoring them. (Photo by Jane Barlow/PA Images via Getty Images)

Eden Zanker of the Demons kicks the ball during the 2020 AFLW Round 03 match between the St Kilda Saints and the Melbourne Demons at RSEA Park on February 21, 2020 in Melbourne, Australia. (Photo by Dylan Burns/AFL Photos via Getty Images)

Ryann O'Toole after finishing her round on the 18th during day four of the Trust Golf Women's Scottish Open at Dumbarnie Links, St Andrews on Sunday, August 15, 2021. (Photo by Malcolm MacKenzie/PA Wire Press Association)

A cheerleaders team member wearing a pseudo anti-coronavirus face mask performs during the St. Petersburg Open ATP tennis tournament match in St.Petersburg, Russia, Wednesday, October 27, 2021. (Photo by Dmitry Lovetsky/AP Photo)

A protester raises her fist at the entrance of Highway 280 and S. 4th St. as people protest the killing of George Floyd in Minneapolis in downtown San Jose, Calif., on Friday, May 29, 2020. (Photo by Nhat V. Meyer/Bay Area News Group)