Underland: a deep time journey

First chamber

Descending

Part I. Seeing (Britain)

Burial (Mendips, Somerset)

Dark matter (Boulby, Yorkshire)

The understorey (Epping Forest, London)

Second chamber

Part II. Hiding (Europe)

Invisible cities (Paris)

Starless rivers (The Carso, Italy)

Hollow land (Slovenian highlands)

Third chamber

Part III. Haunting (The north)

Red dancers (Lofotens, Norway)

The edge (Andøya, Norway)

The blue of time (Kulusuk, Greenland)

Meltwater (Knud Rasmussen Glacier, Greenland)

The hiding place (Olkiluoto, Finland)

Surfacing.