An illumination is held at a commercial facility “NAMBA PARKS” in Osaka City, Osaka Prefecture on November 15, 2022. Approximately 650,000 LED (light-emitting diode) bulbs are decorated to imagine waterfalls and meadows at the event. (Photo by Naoya Azuma/Yomiuri/The Yomiuri Shimbun via AFP Photo)

Gail Couillard, of South Burlington, Vermont, waits with her dog, Lyndon, for Republican presidential candidate, former U.N. Ambassador Nikki Haley to take the stage at a campaign event at the DoubleTree Hotel on March 3, 2024 in South Burlington, Vermont. Despite having lost every state primary thus far to former President Donald Trump, Haley intends to stay in the Republican race at least through Super Tuesday on March 5. (Photo by John Tully/Getty Images)

English model and actress Cara Delevingne poses at the Met Gala, an annual fundraising gala held for the benefit of the Metropolitan Museum of Art's Costume Institute with this year's theme “Karl Lagerfeld: A Line of Beauty”, in New York City, New York, U.S., May 1, 2023. (Photo by Andrew Kelly/Reuters)

Luis Hernan was always curious about how wireless technologies like radio are transmitted through the air. So after finishing up his studies in architecture, computer science, and design, Hernan decided to research these invisible signals through a PhD at Newcastle University. Hernan set up a system that turned the wireless signals around him into colourful, ghostlike images using long-exposure photography, allowing people to see the strength of the signals around them. (Photo by Luis Hernan)

A Santa Claus puppet holding a Christmas tree is pictured against the sun in Berlin November 23, 2014. (Photo by Hannibal Hanschke/Reuters)

An Indian street vendor selling bananas naps on his fruit cart at the roadside in New Delhi on June 3, 2015. (Photo by Money Sharma/AFP Photo)

A Chinese People's Liberation Army soldier marches with members of an honor guard as they prepare for a welcome ceremony for visiting Luxembourg's Prime Minister Xavier Bettel outside the Great Hall of the People in Beijing, Monday, June 12, 2017. (Photo by Andy Wong/AP Photo)

A Burmese monk feeds the seagulls at a Yangon river jetty February 8, 2012 in Yangon, Myanmar. (Photo by Paula Bronstein/Getty Images)