Capture a breathtaking mid-morning scene in the Sundarbans during winter, where the cold air creates a serene atmosphere. The landscape is dominated by the intricate network of mangrove trees, their roots partially submerged in the calm, reflective waters. The sunlight filters through the dense foliage, casting soft, dappled shadows on the ground. In the foreground, a cluster of vibrant green ferns contrasts with the muted browns and grays of the mangrove bark. The water is a mirror-like surface, reflecting the clear blue sky and the silhouettes of distant trees. A few birds can be seen perched on branches, their feathers ruffled by the gentle breeze. The overall composition should evoke a sense of tranquility and the untouched beauty of nature, with a focus on the textures of the bark and the delicate ripples in the water. Use a wide aperture to create a shallow depth of field, blurring the background slightly while keeping the foreground sharp. The lighting should be soft and natural, enhancing the cold yet inviting feel of the winter morning.