Generate a short, engaging audio clip from the provided source. First, summarize the main idea in one or two sentences, making sure it's clear and easy to understand. Next, highlight one or two interesting details or facts, presenting them in a conversational and engaging tone. Finally, end with a thought-provoking question or a fun fact to spark curiosity!

Transcript

Imagine a journey to the center of the Earth, where two explorers, David Innes and Doctor Abner Perry, discover a hidden world called Pellucidar, filled with prehistoric creatures and unique human tribes. Their incredible rocket-powered burrowing machine, 'The Iron Mole,' unexpectedly pierced the Earth's crust, revealing a land where the sun never sets and time does not exist as we know it. Here, they encounter the Mahars, intelligent, winged reptiles who rule through a mysterious sixth sense, keeping humans as slaves. Could a world truly exist where there is no past or future, only an eternal present?