a group of people sitting in the grass with a dog

A vibrant Facebook banner showcasing a group dog training class. The scene features several happy dogs of different breeds sitting or interacting with their owners in a spacious outdoor park setting. Trainers and owners are engaged, demonstrating focus and teamwork. The atmosphere is warm and inviting, with clear blue skies and lush green grass. The design includes space for text overlay, such as course details, with a professional yet friendly aesthetic. Ensure the image is high-resolution and perfectly suited for a Facebook banner format (1200x628 pixels).