Tim Laman is a field biologist and wildlife photojournalist. His pioneering research in the rain forest canopy in Borneo led to a PhD from Harvard and his first National Geographic article in 1997. Since then, he has pursued his passion for exploring wild places and documenting little-known and endangered wildlife by becoming a regular contributor to National Geographic. He has eighteen articles to his credit to date, all of which have had a conservation message. Some have focused on endangered species such as Orangutans or Hornbills, while others, such as a series of articles on Conservation International’s Biodiversity Hotspots, have highlighted regions under intense pressure.

These photographs are the work of urban explorer Dr Bradley Garrett who made headlines back in 2012 when he posted a series of snaps from the top of The Shard skyscraper while it was still under construction. Garrett, now a researcher at the University of Oxford, took these shots during his time with the London Consolidation Crew (LCC), a loose collection of urban explorers based in the English capital. Photo: Bradley Garrett stands on the edge of the Ritz-Carlton Chicago as lightning strikes in the distance in Chicago, US. (Photo by Bradley L. Garrett/Barcroft Media)

Born 1938 in New York, Melvin Sokolsky was a major figure in the revival of fashion photography from the 1960s. He was only 21 when he started working at Harper's Bazaar for which he produced the “Bubble” series of photographs depicting fashion models floating in giant clear plastic bubbles suspended in midair above the Seine river in Paris. Alongside his steady collaboration with Bazaar, he also worked for publications such as Vogue and the New York Times. Photo: “After Delvaux” – “Paris 1963” – Harper's Bazaar “Bubble” Spring Collection. (Photo by Melvin Sokolsky)

“Alice in Waterland” is a beautiful series of photographs re-imagining the Lewis Carroll classic underwater. It’s a creation of photographer Elena Kalis, who lives on a small island in The Bahamas, surrounded, she says, “by pristine clear warm water. Underwater is where I spend a lot of time; snorkeling, diving, photographing. It is fascinating how the world changes down below: light, sound, gravity and proportions are different from what we are used to”. (Photo by Elena Kalis)

As you look at the set of pictures created by Tom Kondrat during his travels in Iceland, the first thing that comes to mind is the word “loneliness.” These pictures lead you to believe that Iceland is a desolate expanse of icy wasteland. You can almost imagine the strong wind howling in your ears, as it chills you straight to the bone. And as you’re walking down so beaten path, you’re all alone, with not a human soul for miles in any direction. This may prove unbearable for some, yet others find comfort in such places. With no one there to bother them and distract them from their thoughts, they can finally be at peace. (Photo by Tom Kondrat)

Elise Graham takes part in the World Bog Snorkelling Championships 2017 with a rubber duck on her back on August 27, 2017 in Llanwrtyd Wells, Wales. The competition draws competitors from all over the world and is now in its 32nd year. (Photo by Matthew Horwood/Getty Images)

A car rolls south along the Dalton Highway near Coldfoot, Alaska, USA, 03 September 2017. Stretching 414 miles (666 kilometers) north from central Alaska to Prudhoe Bay, the Dalton Highway is one of America's northernmost roads and arguably its most remote. (Photo by Jim Lo Scalzo/EPA)

A graffiti, portraying a woman, is seen in Medellin, Colombia on November 19, 2017. Mural graffitis from different artists, street art can be seen in almost every city on Earth, but street arts raw power and potential for change was felt by me most intensively in Medellins Comuna 13, previously one of Colombias most dangerous neighbourhoods, in fact Communa 13 was constant battleground between gangs, narcos, paramilitaries and the government, but today you would hardly recognise it. (Photo by Juancho Torres/Anadolu Agency/Getty Images)