Create a realistic and cute dinosaur kids club themed photo. Picture children joyfully riding friendly dinosaurs of various species such as triceratops, little tyrannosaurus and stegosaurus. The children are dressed in bright riding costumes, with helmets and happy smiles on their faces. Around them is a green, picturesque landscape filled with flowers and trees, creating an atmosphere of fun and adventure. This scene should convey the joy, friendship and magic of the children's world, where dinosaurs become faithful companions. Please try to make the image as realistic as possible so that the audience can feel that this magical place really exists.