Jo-Anne McArthur’s book of photographs puts the spotlight on ethics of zoos around the world. Accompanied by essays by Born Free Foundation’s Virginia McKenna and philosopher Lori Gruen, the images and stories are also shared online through “A Year of Captivity”. Here: Asian Elephant, Denmark, 2016. (Photo by Jo-Anne McArthur/Born Free Foundation/The Guardian)

Photographer David Lazar captured photos of native Dessana tribe, nearly 3,000 miles away from Brazil's capital. Tribe is only accessible by boat from city of Manaus. Surrounded by trees, waterfalls and tropical wildlife, this Amazon tribe is a world away from the beaches of Rio.

Every once and a while an artistic endeavor is so bold, so courageous and so innovative we are left speechless in its wake. Today, that project is “Pizza in the Wild”. The brainchild of Los Angeles-based photographer Jonpaul Douglass, the Instagram series that is so much more follows unsupervised pizzas – pepperoni pizzas, to be exact – living the L.A. life.

The impressive gallery shows beautiful landscapes that might appear to be from more exotic climes, but they were all taken on British soil. Alessio Putzu, 31, a professional landscape photographer from London, snapped the amazing shots during his trips to Devon and Cornwall, England; Pembrokeshire, Wales; and the Isle of Skye, Scotland. Here: Bedruthan Steps, Cornwall. (Photo by Alessio Putzu/Caters News Agency)

These photographs of hundreds of ducks following their leader down a river are truly mesmerizing. Rafeur Rahman of Bangladesh climbed a high bridge and saw hundreds of ducks apparently playing a game of follow the leader. More than 500 ducks live on the river, where the mosses and snails provide the perfect habitat. Here: Ducks in the river Baral in Bangladesh. (Photo by Rafeur Rahman/Caters News Agency)

Shortlisted images in the running to be crowned Photobox Instagram photograph of the year range from furry friends to the Holi festival to the meaning of love. Judges, including the Guardian’s former picture editor Eamonn McCabe, have whittled down 180,000 submissions to unearth a shortlist that celebrates the best of social media. Winners will be announced October 3, 2018. Here: Najac, France. Travel shortlist. (Photo by Aaron Jenkin/@aaronjenkin)

Kashir Mir, 34, poses for a photograph at his workplace, Juliet Wig Shop, in the London constituency of Brent Central, Britain, April 13, 2015. Mir, who was born in Pakistan, said: “I will vote but it's a secret. I also hope they can manage immigration better as I have been stopped and interviewed for hours returning from Pakistan. I'm an honest man, working here and paying my tax”. Brent, a northwest London neighbourhood that's home to Wembley football stadium, is among the most ethnically diverse areas in the United Kingdom. As the country approaches a closely fought election on May 7, Reuters photographer Eddie Keogh visited shopkeepers to get their views on the poll. (Photo by Eddie Keogh/Reuters)