An ambulance with emergency lights on makes its way through snowfall in Iowa, US on December 21, 2022. (Photo by Joseph Cress/AP Photo)

A traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. (Photo by Kai Pfaffenbach/Reuters)

A flash of lightning lights up a raincloud hovering over a township in Dharmsala, India, Sunday, April 19, 2020. (Photo by Ashwini Bhatia/AP Photo)

The tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away from Earth in the southern constellation Carina. (Photo by Reuters/NASA)

These stunning color portraits, produced by the U.S. Office of War Information during World War II depict the role of women in the US war effort. All of the images were shot on 4x5 color transparency film by Howard R. Hollem and Alfred T. Palmer during 1942 and 1943 and were turned over to the Library of Congress Prints and Photographs Division in 1944. They are seen here with their original captions.

American artist Kim Keever did new abstract creations for his exhibition “Across the Volumes” at the Waterhouse & Dodd in April 2014. From a mixture of paint and water, kinds of colorful volutes appear in the air, under the shapes of clouds, mushrooms or jellyfishes. His work is to discover in the next part of the article.

An Oriental Garden Lizard sits on a tree in Gauhati, India, Tuesday, April 16, 2019. During the breeding season, the male lizard's head and throat turn a bright color. (Photo by Anupam Nath/AP Photo)

The Baby Nager dragon, from DreamWorks’ new “How to Train Your Dragon” Live Spectacular touring musical, shows off it’s colors outside of the New York Public Library. (Photo by Mark Von Holden)