A serene moment captured at San Pablo Bay National Wildlife Refuge, where nature and human activity gently intersect under a cloudy sky. Full Description: On a tranquil April afternoon in 2025, the San Pablo Bay National Wildlife Refuge in Vallejo, California, offered a picturesque scene. The overcast sky provided a soft backdrop for the expansive landscape, as a flock of birds gracefully gathered on the lake's calm surface. In the distance, a few vehicles traversed the horizon, connecting the serene natural environment with the bustling world beyond. The refuge, known for its diverse wildlife, showcases a delicate balance between the untouched beauty of nature and human presence.