Prompt
                                        
                                            "Generate an image of a charming seaside town with a mix of old and new buildings, situated near the Thames Estuary. The town, Leigh-on-Sea, should be depicted in a realistic style with a warm and inviting atmosphere, showcasing its historic old town, possibly with fishing boats or a pier in the background, and surrounded by the natural beauty of the East of England region. Incorporate elements that reflect its famous cockle industry and fishing heritage."