Sound Scene Tour of cave diving the Rivera Maya: In this milestone 25th episode of Pod Diver Radio, Joe and Rescue Diver Rachel kick things off with a debrief from Joe's first big cave expedition to Mexico's Riviera Maya. Strap on your doubles and follow an immersive sound-scene tour through legendary cenote systems like Car Wash, Tortuga, Maya Blue, and Nohoch as Joe navigates jungle tracks, gate keys, machetes, and crocodile rumors to reach some of the most decorated cave passages on the planet. You'll hear in-water impressions of buoyancy challenges, line work, stage drops, and what makes Mexican cave diving so different logistically (and financially) from Florida systems—plus why every serious cave diver needs to experience the Riviera Maya at least once. Back topside, Joe and Rachel dig into listener email on HID primary lights, raising smart questions about battery chemistry, cost, longevity, and safe disposal—setting up a future tech follow-up with manufacturers. The episode also features a shark photography workshop invite with Donald Tipton and Shark Research Institute at Stuart Cove's, tying blue-water big animal encounters into the tech diver mindset. If you love overhead environments, gear talk, and being "in the water" with the storyteller, this deep-cut archive episode is a perfect hit of classic Pod Diver Radio.