Photograph by Sarah Jackson, National Geographic Your Shot
A youngster in Conakry, Guinea, grins as he views a solar eclipse through special glasses in a Your Shot picture by Sarah Jackson.
Jackson submitted this photograph to the Power of a Smile, a Your Shot assignment and story.
Your Shot is National Geographic's photo community, where you can share photos, take part in assignments, lend your voice to stories, and connect with fellow photographers from around the globe.
For the Power of a Smile, Your Shot members submitted more than 14,500 pictures in three weeks, and these were narrowed down to a 27-picture story by National Geographic assistant photo editor Marie McGrory. Shown here is a selection of the photographs chosen for the story.
Photograph by Angie Hart, National Geographic Your Shot
"I heard laughter coming from the bathroom where my daughter was bathing, so I grabbed the camera," wrote Your Shot photographer Angie Hart in her caption for this picture. "When I asked, 'What's so funny?' she said, 'The bubbles are tickling my face!'"
This picture was one of 27 chosen by editor Marie McGrory for the Power of a Smile story on Your Shot.
Photograph by Giang Pham, National Geographic Your Shot
A mother in Saigon, Vietnam, smiles at Your Shot member Giang Pham's camera while holding her shy son.
"I met her while visiting my relatives in hospital," Pham wrote. "She was very nice [and] always encouraged her son to look at me and smile."
"This is a smile you cannot look at without returning [it]," wrote editor Marie McGrory in the final story.
Photograph by Amanda Mustard, National Geographic Your Shot
Four-year-old Audrey smiles at an out-of-frame birthday cake in this picture by Your Shot member Amanda Mustard.
"The universal language of a smile can take you a long way," wrote editor Marie McGrory in her introduction to the Your Shot assignment. McGrory chose 27 photos from more than 14,500 submissions for the final Your Shot story.
Photograph by Heavyrain Ijioma, National Geographic Your Shot
A mother playfully holds her child in a photograph by Your Shot photographer Heavyrain Ijioma.
"I love how fun and free the pose is, and the light pouring in around the mother's face," wrote editor Marie McGrory in an editor's note. "Beautiful image."
Photograph by Oscar Medina, National Geographic Your Shot
"I loved when this little horse was so close to his mother," wrote photographer Oscar Medina in his caption for this picture. "This is pure love!"
The photo was one of 27 chosen for the Power of a Smile story on Your Shot by editor Marie McGrory.
Assignments on Your Shot seek photo submissions from Your Shot members. Editors choose a few of the very best images for final stories published on Your Shot. Photographs submitted to Your Shot are also eligible for our Daily Dozen and may be published in National Geographic magazine.