在这部旅行到海洋深处纪录片片中,Richard Hammond is going to drain the oceans to find out what would happen if the planet lost its oceans. Hidden beneath all that water are some of the biggest natural formations on earth: The longest mountain ranges, the tallest volcanoes and the deepest canyons.
Richard Hammond is going to drain the oceans to find out what would happen if the planet lost its oceans. Hidden beneath all that water are some of the biggest natural formations on earth: The longest mountain ranges, the tallest volcanoes and the deepest canyons.
