A woman plays around as she walks across a glass-bottomed suspension bridge in a scenic zone in Pingjiang county in southern China's Hunan province Thursday, September 24, 2015. The bridge, 300 meters (984 feet) long and 180 meters (590 feet), opened to visitors on Thursday for the first time since its conversion from a regular suspension bridge was completed. (Photo by Chinatopix Via AP Photo)

Now celebrating its 40th year, Nikon Small World is widely regarded as the leading forum to recognize proficiency and photographic excellence of photography taken under the microscope. To select the winners, competition judges analyzed entries from all over the world covering subjects ranging from chemical compounds to up-close-and-personal looks at biological specimens. The 2014 winners will be revealed on October 30th. In 2014, the competition received over 1,200 entries from more than 79 countries around the world. (Photo by Dr. Igor Robert Siwanowicz/Nikon Small World 2014)

People in ethnic costumes jump over a bonfire during Ivan Kupala Day celebrations held by the Pripyat River in the town of Turauin Gomel Region, Belarus on July 6, 2020. Ivan Kupala Day, also known as Ivana-Kupala or Kupala Night, is a traditional pagan holiday celebrated in eastern Slavic cultures. Various rituals are traditionally performed on Kupala Night, including making flower wreaths, fortune-telling, jumping over bonfires, and burning a wheel-like effigy symbolizing the sun. (Photo by Natalia Fedosenko/TASS)

Sophia Fernandes, a member of the Kalunga quilombo, the descendants of runaway slaves, dons traditional afro braids, during the culmination of the week-long pilgrimage and celebration for the patron saint “Nossa Senhora da Abadia” or Our Lady of Abadia, in the rural area of Cavalcante in Goias state, Brazil, Saturday, August 13, 2022. Devotees celebrate Our Lady of Abadia at this time of the year with weddings, baptisms and by crowning distinguished community members, as they maintain cultural practices originating from Africa that mix with Catholic traditions. (Photo by Eraldo Peres/AP Photo)

The Cage of Death at Crocosaurus Cove in Darwin City, Australia. The Cage of Death starts out above the water where the two tourists in it can see the huge crocodile below before the cage is lowered into the pen. The tourists are then inches from the 16-foot-long Saltwater crocodile as it greedily snaps its jaws over meaty treats that are being dangled right in front of the cage. (Photo by Crocosaurus Cove/Media Drum World/Profimedia)

Papier-mache sculptures, also known as “ninots”, burn during the “Nit de la Crema” (Fire Night) of the Fallas Festival in Valencia, eastern Spain, 19 March 2024. Fallas is a fortnight-long fiesta in which installations of parodic papier-mache, cardboard, and wooden sculptures are traditionally burnt every year on the last day of the event in the so-called “Crema” to end the festivities. (Photo by Biel Alino/EPA/EFE)

Revelers stained with colored powder cheer during the Holi festival celebrations in Chennai, India, 08 March 2023. Holi, also known as the “Festival Of Colors” is an ancient Indian Hindu festival symbolizing the victory of good over evil and marking the arrival of spring. It is celebrated with joyful gatherings during which revelers cover each other in colored powders. (Photo by Idrees Mohammed/EPA/EFE)

U.S. Marine Lt. Ben Reid from 1/2 Charlie Company of Task Force Tarawa waits to be medivaced after being hit with shrapnel and a machine gun round, in the southern Iraqi city of Nasiriyah, on March 23, 2003. The Marines suffered a number of deaths and casualties during gun battles throughout the city. (Photo by Joe Raedle via The Atlantic)