Once a month get new photos and expert tips.
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Every month, National Geographic staff photographer Mark Thiessen answers your photography questions—and spills the secrets behind the shots.
Take a dive with underwater photographer David Doubilet and meet the creatures living below the water's surface, from sharks and seals to unicornfish and butterfly fish.
"Preying" for more shark photos? Click here for a mouthful!
Find unusual vacation spots and journey through Mexico.
Take a tour of the world's quirkiest signs.
When making environmental portraits, take the time to find out what your subjects really care about and have them show it to you.
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