Developed for the British American Ambulance Corps, this new motorcycle ambulance is capable of speeding wounded soldiers 90 miles an hour from the front lines to field hospitals. Its springs are synchronized with the patient's heartbeat to avoid increasing fever when traveling over various Terrain. Viewing it in New York August 27, 1941, are left to right: constable Herbert Scott of England, driver; William E. Detlor, whose firm developed the vehicle; M. W. Stand, inspector-general of Civilian Defense, and Maj. Edward Riekert, also. (Photo by AP Photo)

An Iranian girl wearing a costume inspired in the fictional folklore character Hajji Firuz, dances in Tehran on March 17, 2021 as Iranians prepare to celebrate Noruz, the Iranian New Year. Noruz, “new day” in Persian, is the New Year festivity celebrated in Iran as well as in Afghanistan and Kurdish regions in several countries. It begins with the spring equinox and symbolises rebirth. (Photo by Atta Kenare/AFP Photo)

Today is what is known as the equilux and it happens when day and night are equal and occurs a few days before the spring equinox, and a few days after the autumn equinox. What appears to be a floating leaf is actually a stray sticking to a wet car windshield in a park in Scaggsville, Maryland on September 25, 2024. Today sunrise was at 7:02am and sunset took place at 7:02pm. The green and orange colored leaf (about half for each color) seems to represent the transition from Summer to Fall. (Photo by Michael S. Williamson/The Washington Post)

Students of Rabindrabharati University apply colour dust or Gulal on each other during a celebration the festival of colour Holi in Kolkata, Eastern India, 23 March 2024. Holi, also known as the Festival of Colors, is an ancient Hindu festival symbolizing the victory of good over evil and marking the arrival of spring. It is observed with joyful gatherings during which revelers cover each other in colored powders. (Photo by Piyal Adhikary/EPA/EFE)

Revelers celebrate the Indian festival of Holi on a boat cruise around part of Manhattan on March 17, 2012 in New York City. During the Hindu festival of Holi, also known as the Festival of Colors, which marks the arrival of spring, participants throw colored powder and water on one another. Many of the New York participants are Indian-American. (Photo by Mario Tama/Getty Images)

Newly commissioned 2nd lieutenants throw their caps in the air as a team of F-16 Air Force Thunderbirds fly over the 2011 graduating class of the U.S. Air Force Academy on May 25, 2011 in Colorado Springs, Colorado. A total of 1,021 graduates received their diplomas in front of their families and dignitaries at the Academy's Falcon Stadium. (Photo by John Moore/Getty Images)

Models pose backstage ahead of the Gary Bigeni show during Rosemount Australian Fashion Week Spring/Summer 2011/12 at Overseas Passenger Terminal on May 4, 2011 in Sydney, Australia. (Photo by Matt King/Getty Images)

A 12th century manuscript of The Old Testament sits in the Chained Library of Hereford Cathedral after it's annual spring clean on January 24, 2012 in Hereford, England. (Photo by Christopher Furlong/Getty Images)