The Tehuacan-Cuicatlan Valley, home to the oldest water management system in North America, was added Monday as a “mixed site” to the UNESCO World Heritage list, reflecting its significance as both a natural and cultural area.
The Tehuacan-Cuicatlan Valley, home to the oldest water management system in North America, was added Monday as a “mixed site” to the UNESCO World Heritage list, reflecting its significance as both a natural and cultural area.