Stephen Alvarez and NPR’s Jacki Lyden Team Up to See What’s Below Paris

A tale of two cities. ¬†One above the ground of legendary beauty, and one below of abandoned tunnels, secret rooms and caverns. ¬†Stephen Alvarez invited National Public Radio’s contributing correspondent, Jacki Lyden, on an urban spelunking adventure that served as the cover story for the February issue of National Geographic Magazine.