Complex sentence: South of the Midway, George Dahl arranged Dallas's future cultural institutions informally around a tranquil lagoon, offering Texas Centennial exposition visitors a peaceful, naturalistic counterpoint to the activity of the exposition.
Split into simpler sentences: South of the Midway, George Dahl arranged Dallas's future cultural institutions informally around a tranquil lagoon. This offered Texas Centennial exposition visitors peaceful respite and a romantic, naturalistic counterpoint to the intense activity of the exposition.