Prompt
Generate a serene and natural image of a lake: Spot Pond, which is an instance of a lake, situated in the Middlesex Fells Reservation, Middlesex County, Massachusetts, United States. The lake covers a surface area of 298 acres and serves as a drinking water supply. It is managed by the Massachusetts Department of Conservation and Recreation. In the scene, include people or boats engaging in recreational activities such as boating and fishing. The surrounding landscape should reflect a mix of natural and possibly some urban elements in the distance, given its proximity to Stoneham, Medford, and Melrose. Incorporate elements that highlight its role in the Greater Boston water supply system subtly. Render the image in a realistic style that captures the tranquility and functional importance of Spot Pond.