Complex sentence: In 1923, land was reclaimed from Blackpool seafront and it was at this period that the Pleasure Beach moved to its current location above Watson Road, which was built under the Pleasure Beach in 1932.
Split into simpler sentences: In 1923, land was reclaimed from Blackpool seafront. It was at this period that the Pleasure Beach moved to its current location above Watson Road, which was built under the Pleasure Beach in 1932.