Wookey Hole Cave, Somerset.
M/S of a truck drawing up in the gloom. M/S as the archaeologists get out with their equipment and descend into the caves. Various shots as they establish a base in the cave. M/S as they put on diving outfits. M/S as water drips...
Various shots of an area of thermal activity in Japan.
Underground offices and factory of the Ministry of Aircraft Production.
The last World War One is salvaged from the Scapa Flow.
A group of young scientists explore the Balme Grottoes near Lyons.
Nice footage of tourists visiting underground caves in Trieste.
A look at the lovely shell covered grotto in Margate, Kent.