Complex sentence: Postgate decided to relocate the story to North Wales, as it was more inspirational than the flat terrain of the English Midlands, and the story lines drew heavily on, and were influenced by, the works of Dylan Thomas.
Split into simpler sentences: Postgate decided to relocate the story to North Wales, as it was more inspirational than the flat terrain of the English Midlands. The story lines drew heavily on, and were influenced by, the works of Dylan Thomas.