57.007 Перегляди
Humanity has launched satellites into outer space and submarines to the ocean floor, but the ground below Earth's surface remains shrouded in mystery. Are there profound secrets buried beneath layers of rock, or hidden in vast caves? Can the subterranean world below shed light on humanity's past, or even its future?
Дата першого ефіру : Jul 19, 2019
Дата останнього ефіру : Dec 22, 2023
Епізод : 83 Епізод
Сезон : 6 Сезон
Час роботи: 43 хвилин
Студія: History
Країна: United States of America
Актори: William Shatner, Tok Thompson
Екіпаж:
