British reality stars Kerry Katona and Michelle Heaton Relax poolside with their families in Bridgwater, Somerset, England on August 30, 2016. Kerry Katona was wearing a “Swag” t-shirt before stripping down to a red bikini. Kerry looked to be having a great time with Michelle and family. (Photo by FameFlynet UK)

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)

In this Friday, February 1, 2019, photo, Filipino-Chinese display piggy banks at the start of celebrations leading to next week's Lunar New Year in Chinatown, Manila, Philippines. This year is the Year of the Earth Pig on the Lunar calendar and is supposed to represent abundance, diligence and generosity. (Photo by Bullit Marquez/AP Photo)

“The Challenge!” Young boy relishes in a game of tug of war before school. Photo location: Lake Titicaca, Peru. (Photo and caption by Paul Heyman/National Geographic Photo Contest)

Jorge Diaz punches Teon Kennedy during their USBA Super Bantamweight bout during Top Rank's 'Featherweight Fury' on March 26, 2011 at Boardwalk Hall in Atlantic City, New Jersey.

Michelle Rodriguez attends the 2016 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 28, 2016 in Beverly Hills, California. (Photo by Karwai Tang/WireImage)

Some of the most powerful narratives of the past decade have been produced by a forward-thinking generation of women photojournalists as different as the places and the subjects they have covered. National Geographic's “Women of Vision” exhibit features the work of 11 photographers and is on display at the Fernbank Museum of Natural History in Atlanta until January 3, 2016. Here: Nujood Ali stunned the world in 2008 by obtaining a divorce at age 10 in Yemen, striking a blow against forced marriage. (Photo by Stephanie Sinclair/National Geographic)

A polar bear fast asleep at London Zoo. (Photo by Fox Photos/Getty Images). 1961