Complex sentence: Up until 2004, Cheshunt was home to the famous Temple Bar, moved from London at the turn of the 19th century, but the gateway was re-installed in London at Paternoster Square on the north side of St Paul's Cathedral.
Split into simpler sentences: Up until 2004, Cheshunt was home to the famous Temple Bar, which was moved from London at the turn of the 19th century. The gateway was re-installed in London at Paternoster Square on the north side of St Paul's Cathedral.