Reuters photographer Bobby Yip took a series of portraits of people taking part in the “Occupy Central” protests in Hong Kong, and asked them why they had joined the demonstrations. China rules Hong Kong under a “one country, two systems” formula that accords the territory limited democracy. Tens of thousands of mostly student protesters are demanding Beijing give them full democracy, with the freedom to nominate election candidates. The unrest is the worst in Hong Kong since China resumed its rule over the former British colony in 1997. (Photo by Carlos Barria/Reuters)

Catherine, Duchess of Cambridge speaks to soldiers as she arrives at Calgary Airport on July 7, 2011 in Calgary, Canada. (Photo by Chris Jackson/Getty Images)

These incredible pictures look like a bird's-eye view of a faraway alien planet – but they're actually hot springs. The amazing snaps are up-close shots of Iceland's hot springs, and the point-blank pictures produce a breathtaking array of colors and effects. Here: The amazing snaps are up-close shots of Icelandic hot springs. (Photo by Johann Vilhjalmsson/Caters News)

Russian Olympic Committee's goaltender Mariia Sorokina (foreground L) and teammate Veronika Korzhakova (foreground R) attempt to stop a shot by Switzerland's Phoebe Staenz (R) during the women's preliminary round group A match of the Beijing 2022 Winter Olympic Games ice hockey competition between players of Russia's Olympic Committee and Switzerland, at the National Indoor Stadium in Beijing on February 4, 2022. (Photo by Bruce Bennett/Reuters)

Rapper Destiny Nicole Frasqueri, known professionally as Princess Nokia performs during the Coachella Valley Music and Arts Festival held at the Empire Polo Club in Indio, California, U.S., April 22, 2022. (Photo by Maria Alejandra Cardona/Reuters)

A man stands in front of a display with an artificial coral inside the Davos Congress Center at the eve of the annual meeting of the World Economic Forum in Davos, Switzerland, Sunday, January 15, 2023. The site specific data sculpture by media artist Refik Anadol based on approximately one billion coral images processed by machine learning classification models. The annual meeting of the World Economic Forum is taking place in Davos from Jan. 16 until Jan. 20, 2023. (Photo by Markus Schreiber/AP Photo)

Katie Rose Hobbs and Kirsten Elizabeth Pobjoy of British Aerosuperbatics Wingwalking Team perform ballet in the air during Huangguoshu Waterfalls Flight Conference on August 3, 2018 in Anshun, Guizhou Province of China. Huangguoshu Waterfalls Flight Conference including 18 aircraft from seven aerobatic teams from all over the world kicked off on Friday. (Photo by VCG via Getty Images)

A dog jumps into the air to catch a ball along the beach near the County Kerry village of Rossbeigh, Ireland, February 4, 2018. (Photo by Clodagh Kilcoyne/Reuters)