Visit the Madrona Marsh Preserve as the sun sets and day gradually changes into night. Observe and listen to the sounds of animals and insects as they begin their nightly activities. This walk is limited to the first 25 people who sign-up. Pre-registration is required. $5 per person or $10 per family. To register and for more information please contact the Madrona Marsh Nature Center at 310-782-3989.