Recently, a massive sinkhole opened up in Guatemala City, swallowing a three-story building in the process. In this episode, Josh and Chuck explore sinkholes and the forces that cause them, natural and otherwise.
Welcome to the Brain Training Podcast, the daily audio workout for your head.
In this podcast we have two games for you, each with three rounds which get progressively harder.
To enjoy the full experience, relax, and avoid distractions whilst you listen.
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