Transcript of a half-hour episode of the Spanish nature program "El escarabajo verde," titled "El poder de caminar". The episode explores the nature of walking in the human species, its beneficial effects on our physical and psychological health, and focuses in large part on the round-the-world walking quest of a young Spanish man, who wrote a book about his adventure. The episode can be streamed for free at: https://www.rtve.es/play/videos/el-escarabajo-verde/escarabajo-verde-poder-caminar/4855