EXCLUSIVE: Journey to the Center of the Earth: An Incredible Glimpse Inside an Active Volcano

Earlier this year the duo trekked to the Kamchatka Peninsula in Russia where the volcano complex known as Tolbachik was in active eruption. Among the numerous hellish vistas photographed was this deep volcanic cave that offered a glimpse of what it might look like inside an active volcano. You can see dozens of shots from the trip organized into several sets here