In this Deep Dive, we travel to El Vallecito, Baja California’s only public archaeological site—home to 1,500 years of human history and ancient rock paintings from the region’s earliest inhabitants. But this isn’t just a story about prehistory; it’s about plumbing. After years of neglect and zero public funding, a private energy company stepped in to build new restrooms, child-friendly facilities, and clean water systems—a seemingly simple act that changed everything. Now, with plans for a small museum and storage center, the site’s future looks brighter. This episode asks: can corporate social investment become a sustainable model for heritage conservation? 🚿🏛️💬