Cruise through Shiyi Chong (11th Tributary) in Nansha, where the Pearl River Delta's labyrinthine waterways reveal a hidden world. Watch local fisherfolk haul in the day's catch at sunset, then feast on golden threadfin bream and blue crabs at stilted restaurants over the water. Don't miss the 'sauna shrimp' - steamed alive in tributary water so fresh it needs no sauce. The boardwalk through protected wetlands offers front-row seats to migratory birds dancing across the marshes.