We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.