Show What No One Has Shown

S1, E3: Head underground with Stephen Alvarez, a photographer who specializes in subterranean spaces and extreme terrain. Travel to breathtaking locales via his portfolio, including Oman on the Arabian Peninsula, Madagascar, the catacomb passages of Paris, and the Myo Lake Room in Papua New Guinea - a place no human had previously been - as he shares tips for lighting and finding adventures close to home.