Based on Robert Macfarlane’s book and narrated by Sandra Huller, this fascinating documentary cinematically, scientifically and poetically plunges deep into both the natural and man-made underground world.

It seamlessly takes us through Las Vegas storm drains playing host to the impoverished who have been driven underground alongside the detritus from Sin City above, to the ancient, sacred caves of Yucatán in Mexico, in search of fossil traces of Maya ancestors, and a deep underground laboratory built to solve the mysteries of the Universe.

This breathtaking film takes us on a voyage into worlds rarely glimpsed by human eyes and is a literal deep dive into the Earth presenting a groundbreaking vision for rethinking our lives on this fragile surface.