Are There Underground Cities?
But Why: A Podcast for Curious Kids - Een podcast door Vermont Public Radio - Vrijdagen

Categorieën:
In this episode, we answer a question from 5-year-old Wyatt in Los Angeles and learn about ancient underground cities in Turkey, the subterranean passageways of Montreal and the dug-out houses of Coober Pedy, Australia. Also in this episode: Why is it so warm underground?