Kawah Ijen At Night By Olivier Grunewald

He studied commercial advertising photography at the Goblins School of the Image, in Paris. After his studies he began working as a freelance photographer specializing in sports, mountaineering and rock climbing and continued climbing and photographing for the next 10 years with a medium format camera.
Later in his career he switched to a large format camera and began to focus more on the wild nature, and a long term project on volcanoes. He travels all over the world and collaborates on projects with his wife, Bernadette Gilbertas, a geographer and journalist.
He has also produced documentaries on Wild Earth for Science and Nature magazine.