El MUNDO SUBMARINO 8: LOS DRAGONES DE LAS GALÁPAGOS + LOS SECRETOS DE LAS CUEVAS MARINAS [DVD]

15. THE DRAGONS OF THE GALAPAGOS: The Galapagos archipelago, a constellation of volcanic blocks lost in the Pacific, is the place where marine iguanas live, living fossils that have had to overcome the course of evolution by going back in order to survive. . The Calypso men have filmed these strange reptiles that inspired Charles Darwin's theory about the evolution of species. 16. THE SECRETS OF THE UNDERWATER CAVES: The Calypso team undertakes the great adventure of exploring the most mysterious chasms, known as “blue holes”. This phenomenon originates in the seabed of British Honduras and the Bahamas, where after so much time, it still continues to interest geologists and oceanographers. An endless number of winding tunnels make up a dangerous labyrinth in which to get lost.