Fabrice Monteiro travelled to the most polluted places in Africa and created terrifying characters who roamed their midst dressed in eerie debris. They are spirits, he says, on a mission to make humans change their ways. Informed by Africa’s environmental problems, Fabrice Monteiro’s photographs aim to highlight urgent ecological issues all over the world. His series “The Prophecy” is on show at Photo Basel 2017 until 18 June. (Photo by Fabrice Monteiro/Photo Basel 2017/Mariane Ibrahim Gallery/The Guardian)

“The Net thrower”. The fisherman are conducting activities on Situgunung Lake. Photo location: Situgunung lake, Sukabumi, West Java, Indonesia. (Photo and caption by Dody Kusuma/National Geographic Photo Contest)

“DC3 Wreck”. A capture of a US military DC3 plane wreck at the southern black beach in Iceland. Photo location: Iceland. (Photo and caption by Naian Feng/National Geographic Photo Contest)

Handout grab taken from YouTube of Commander Chris Hadfield who has said goodbye to life on the International Space Station by making a cover version of David Bowie's Space Oddity. Issue date: Monday May 13, 2013. (Photo by Commander Chris Hadfield/YouTube/PA Wire)

Erik Ravelo goes straight for the jugular in his series, Los Intocables (The Untouchables). Depicting children in one the most vulnerable poses of all time, Ravelo attempts to speak for those who cannot properly articulate their pain. The sick, twisted games that adults play can come at a cost to future generations and Ravelo’s series gives a voice to those children who get caught in the crossfire.

Chinese-born street artist DALeast, whose work is recognizable for its unique style anywhere he paints, has left a trail of stunning 3D graffiti spanning several continents. Based in South Africa with his wife, the 29-year-old artist spends around half a year traveling around the world and painting his graffiti artworks in different cities. Each piece of his street art looks as it’s made out of thousands of metal shards, which all come together beautifully to shape different animals, birds or humans in action.

Journeys and adventures winner – This is My Jungle. A wild elephant attacks a jeep full of people. “We should respect nature and care more about it, but we should also avoid taking unnecessary and reckless risks”. (Photo by Savvi Sergey/SIPA Contest)