Hong Kong art gallery director Sarah Greene said that Wolf, known for his work depicting mega-cities, has died Tuesday, April 24, 2019 night at his home. She said he was 64. Wolf won first prize in the World Press Photo competition in 2005 and 2010. Here: Architecture of Density #119, 2009. (Photo by Michael Wolf, courtesy of Flowers Gallery)

Wedges of an orange generate enough current and electrical juice – 3.5 volts – to power an LED. The fruit’s citric acid helps electrons flow from galvanized nails to copper wire in this 14-hour exposure. This image was published in September’s Visions of Earth, a trio of photos that appear in each issue of National Geographic. (Photo by Caleb Charland/National Geographic)

This Hawaiian cat sanctuary has created an “island paradise” for the state’s stray cats. Although most people would take a trip to one of the Hawaiian Islands’ many heavenly sights, Andrew Marttila, 32, and his partner, Hannah Shaw, 30, wanted to visit something more unusual. They decided to take a trip to the Lanai Cat Sanctuary, which is currently home to more than 500 felines. Here: Kitten Lady, 30, is surrounded by rescued cats at the the Lanai Cat Sanctuary in Hawaii. (Photo by Andrew Marttila/Caters News Agency)

Turkish police detained dozens of demonstrators participating in an LGBT pride march in Istanbul, Turkey on June 26, 2021. Police fired tear gas, rubber bullets and blocked attempts by protesters to gather in large numbers after a government decision to ban pride events in recent years. (Photo by Diego Cupolo/NurPhoto/Rex Features/Shutterstock)

Rummaging in a bin for scraps, this fox in Barnet, north London, England found itself trapped in the lid on May 23, 2019. Luckily the Royal Society for the Prevention of Cruelty to Animals were able to free it. (Photo by RSPCA/PA Wire Press Association)

American model and actress Emily O'Hara Ratajkowski attends the Jacquemus Spring Summer 2020 show on June 24, 2019 in Valensole, France. (Photo by Arnold Jerocki/Getty Images)

Belle Hassan is seen attending Lipstick and Champagne – party at STK on August 29, 2019 in London, England. (Photo by Jamie Lorriman/The Sun)