An explosion occurs following an Israeli air strike on a residential building, amid the Israel-Hamas conflict, in Nuseirat in the central Gaza Strip, on July 20, 2024. (Photo by Omar Naaman/Reuters)

People react following an Israeli air strike on Palestinian houses, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in Rafah in the southern Gaza Strip on December 12, 2023. (Photo by Fadi Shana/Reuters)

A woman and child look on at volcanic ash rising into the air during the eruption of Mount Ibu, as seen from Duono Village in West Halmahera, North Maluku province, on January 15, 2025. (Photo by AZZAM via AFP Photo)

People look at a collection of vintage cars during the Expo Transporte event at the Francisco de Miranda Air Base in Caracas on December 7, 2025. (Photo by Juan Barreto/AFP Photo)

A cyclist shops for a gift from a roadside open-air vendor during Valentine's Day celebrations amid the COVID-19 pandemic in Kamwokya, Kampala, Uganda on February 14, 2022. (Photo by Miriam Watsemba/Reuters)

“Contrails (short for “condensation trails”) or vapour trails are artificial clouds that are the visible trails of condensed water vapour made by the exhaust of aircraft engines. As the hot exhaust gases cool in the surrounding air they may precipitate a cloud of microscopic water droplets or, if the air is cold enough, tiny ice crystals”. – Wikipedia

Photo: An airplane leaves a vapor trail as it flies in front of he moon on January 17, 2007 above Hanover, Germany. (Photo by Alexander Hassenstein/Getty Images)

A Royal Air Force search and rescue helicopter prepares to leaves RAF Valley as the search continues for the crew of cargo vessel The Swanland which sank off north Wales on November 27, 2011 in Anglesey, Wales. (Photo by Christopher Furlong/Getty Images)

Participants take part in the annual Great Spitalfields Pancake Race in aid of London's Air Ambulance in London, Britain February 9, 2016. (Photo by Stefan Wermuth/Reuters)