Original: The gardens were opened in honour of Queen Victoria's Diamond Jubilee, and contained a large lake, which covered , and what can only be described as a small early version of a roller coaster, known as a switchback (an alternative general term for a roller coaster).
Simplified: The gardens were opened in honour of Queen Victoria's Diamond Jubilee, and contained a large lake, and what can only be described as a small early version of a roller coaster, known as a switchback .