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Experience the world through the eyes of National Geographic photographers.

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Video by @JoelSartore | The giant spider crab may look fearsome, but they are rarely-seen scavengers, spending their days on the seafloor eating plant and animal matter. They live in the cold waters of the Pacific and at depths of up to 2,000 feet. Giant spider crabs are the largest crabs in the world, reaching a maximum leg span of 12 ft and weighing up to 45 lbs. As juveniles, these crabs are known to decorate their shells with sponges, kelp or other items as a means of camouflage and protection.  Although they are occasionally collected for food in Japan, harvesting of this species is illegal during the spring, allowing them to move to shallower waters to breed. During an annual phenomenon, thousands of giant spider crabs make their way into a giant aggregation to shed their exoskeleton, a process known as molting. Crabs are vulnerable to predation after molting. Doing so in a massive group helps protect them from danger.
Due to their shy behavior and deep habitat, exact population numbers of this species are not known, making it hard for scientists to study or protect them. The @AquariumPacific, where this crab was photographed, houses seven giant spider crabs, including this juvenile. Their exact lifespan is not known, but biologists estimate they live over half a century!
Check out @joelsartore for a portrait of this crab!
Photograph by George Steinmetz @geosteinmetz 
The Tuareg call it 窶徼he castle窶, an area of wind-eroded rock in the Tassili du Hoggar, five hours in 4x4 from Tamanrasset, Algeria.  The area was littered with unnamed and unclimbed pinnacles of sandstone.  Check out the view I got of these castles in the sand from my paraglider ===> @geosteinmetz  #notadrone  #DesertAirBook
Photo by @ciriljazbec / This is George Chege, a member of a tech space called Gearbox  that is based in Nairobi. He came up with a solution for Mama Grace, a farmer, who lost many chicks due to irregular temperature conditions. His innovation, a smart chick brooder, regulates the environment in the brooding space automatically and sends real-time updates on farmers phone. His solution not only saved Mama Grace窶冱 time and money but also increased her yields. /
Honoured to get the award for this photo essay 'Africa's Tech Generation' at the Pictures of the Year International! Hopefully this will give even more exposure to a different kind of story from Africa. One that is inspiring and positive! 
Follow @ciriljazbec to see more photos from this story.
#Kenya #Nairobi #Gearbox #Africa #Tech #POY75 #award
Photo by @shonephoto (Robbie Shone) - View of the iconic snow cone in the vast Snow Volcano Hall inside Schwarzmooskogel ice cave, located on the western edge of the Totes Gebirge mountain range in Austria. This fantastic feature has built up over many hundreds of years through the yearly accumulation of snow that falls in from the surface. 
Mountain regions respond sensitively to climate change. Taking advantage of Alpine caves, a team of scientists led by Swiss Paleoclimatologist Dr. Marc Luetscher from the Swiss Institute for Speleology and Karst Studies (SISKA), is working to understand how permafrost has evolved through time. Ice caves form through a combination of snow intrusion and/or congelation of water infiltrating a karst system. Often up to several centuries old, the climate record of this ice remains largely under-studied. Today we are also able to tell if a cave was an ice cave in the past. This is achieved by looking for cryogenic cave calcites. These form when water enters a cave, and freezes and turns to ice. In this process, the water becomes progressively enriched in ions to the point that it becomes super-saturated and precipitates calcite.

@natgeocreative
photo by @renaeffendiphoto // A couple that has been married for over ten years, dances on the doorstep of their home in San Francisco de Paula, Cuba. Ernest Hemingway used to live here, in the nearby village of Finca Vigia. Follow @renaeffendiphoto for more human interest stories. #life #dance #music #cuba #life #love
Photograph by Michael Yamashita @yamashitaphoto - Crowd control, Tibetan style at the Great Prayer Festival of Monlam at Labrang monastery. For the next 2 weeks thousands of Tibetan pilgrims will be gathering at major monasteries for prayer and dancing. Here a team of monks moves under a giant paper tiger costume to control the crowd, forcing the flow of people in a direction away from the main stage. #monlam #tibetan #festivals #labrang @natgeocreative  For more on Tibet, follow @yamashitaphoto
Photo by @brianlehmannphotography - A #man shows off his mother's 5-year-old mummified #body during a #rare and #unique #Indonesian #death #ritual. To see another #mummy #follow @brianlehmannphotography.
Photo by @pedromcbride Winter light: Rays bounce off that most 窶徑oved and litigated river in the world窶 - the Colorado hard at work sculpting something grand. #grandcanyon. I窶冤l be speaking in Seattle starting this Sunday speaking about our 13-month emersion inside this national park - and highlighting why such public lands matter.  To learn more follow @pedromcbride #gratitude #nature #petemcbride  #aerial
Video by @stephenwilkes.  This aerial view of Lake Bogoria, in Kenya, Africa shows the 窶彙ird blind窶, and location we documented the migration of the Lesser Flamingo in.  This area is on the largest feeding areas and a magnificent backdrop for my new 窶廛ay to Night窶 series with National Geographic.  Using a drone, we observed thousands of Lesser Flamingo flight patterns as they took off along the water. I was drawn to the contrast of light and shadow and how effortlessly they took to the air.  You can see this and more behind the scenes video at the National Geographic museum exhibition, 窶弋ranscend the Passage of Time in 窶魯ay to Night: In the Field with Stephen Wilkes窶, through April 30, 2018.  Please see the 窶廛ay to Night窶 photographs which are part of a story, 窶弋he Journeys of Migratory Birds, in the March issue of National Geographic magazine. Follow me @stephenwilkes to see more images from my bird migration series and to learn more about my process in creating these images, please check out my TED talk link in my bio.  #lakebogoria #kenya #africa #birdmigration #lesserflamingo #flamingo #aerial #flight #nature #daytonight #natgeomuseum #natgeo
Photo by @cristinamittermeier // I am working on a new book and as I go through my photos I am finding lots of images of people with 窶彿nteresting stuff on their heads窶. I photographed this Kayapテウ elder during a warrior窶冱 ceremony. He was wearing a beautiful headdress made with the feathers of Amazonian parrots and macaws that people keep as pets so that they can pluck some feathers whenever they need to repair or make a new headdress. 
To see more photos of 窶廬nteresting stuff people wear on their heads窶 #follow me at @cristinamittermeier 
#beauty @NatGeoCreative @The_Explorers_Club @ThePhotoSociety #culture #hat #headgear #interesting @kayapoproject #portaitphotography
Photo by @coryrichards // Captured #withGalaxy S8, produced with @samsungmobileusa // Soma Wera, 63, of Galle Sri Lanka stands for a portrait in the city market. Galle was known as Gimhathiththa before it was colonized in the 16th century by Portuguese and became the primary port of the island. The city played an important role long before the it窶冱 colonization and according to James Emerson Tennent was the ancient seaport of Tarshish. It was 窶賄iscovered窶 by the Portuguese in 1502 when a fleet was blown off course en route to the Maldives. Galle has played many roles throughout its history, most recently as a major tourist destination that highlights the Fort of Galle. For better or worse, the city窶冱 function is and always has been built on the back backs of laborers like Soma Wera.
photo by @vincentjmusi 
Vegas, 2018 A name like Vegas invokes curiosity and intrigue. She is a 14 year-old Greyhound that was adopted as a puppy. She was never raced, which is fairly unusual for these graceful dogs. She was a good sport about being photographed, most dogs are, particularly when food is involved.

This a personal project on the character and beauty of dogs and you are seeing it develop as I work through this #yearofthedog

Thanks for sharing your your dog pictures with me and for your suggestions, I窶冦 touched by your outreach and kind words about this work. I wish I could travel to every place suggested and photograph all of the incredible dogs. Give me time, I窶冦 just getting started - I post more of these @vincentjmusi where I welcome your input.  #greyhound