Photo by VnExpress/Bui Thuy Rau muong xao toi features morning glory (also known as water spinach) blanched and stir-fried with garlic and salt. A splash of fish sauce is added near the end of ...

That’s the Morning Glory Spillway, to be exact: a massive, swirling drain at Monticello Dam designed to prevent flooding when Lake Berryessa’s water levels exceed 134 meters (440 feet).