An Afghan man works at a traditional yarn factory in Heart province, Afghanistan July 28, 2015. (Photo by Mohammad Shoib/Reuters)

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)

Female labourers wearing helmets take a break from laying underground electricity cables in Ahmedabad, India, March 7, 2016. (Photo by Amit Dave/Reuters)

Sally Rand dances on a beach in St. Petersburg, Florida, February 17, 1936. (Photo by AP Photo)

A woman checks on two of her puppies after her neighborhood was evacuated because of severe flooding in Channelview, Texas, on Saturday, May 4, 2024. Days of rain caused rivers to swell, leaving homes and businesses flooded and thousands of people displaced. (Photo by Raquel Natalicchio/Houston Chronicle/AP Photo)

A labourer drinks water from a pipe at a brick kiln on a hot summer day in Sukkur, Sindh province on May 23, 2024. The Pakistan Meteorological Department said temperatures are expected to hit as high as 50 degrees Celsius (122 degrees Fahrenheit) in parts of rural Sindh. (Photo by Shahid Ali/AFP Photo)

Carnival revellers carry burning wooden sticks during the traditional Swiss Chienbaese celebration in Liestal near Basel February 22, 2015. (Photo by Ruben Sprich/Reuters)

A person waits for donations at the exit from the Fred Meyer parking lot on South 19th street in Tacoma, Friday, February 8, 2019. (Photo by Peter Haley/The News Tribune via AP Photo)