Complex sentence: The whole monument is 169ft 3ins from the bottom of the pedestal to the top of Nelson's hat, the 18 foot statue stands on top of a 46 m (151 ft) column built of granite from the Foggintor quarries on Dartmoor.
Split into simpler sentences: The whole monument is 169ft 3ins from the bottom of the pedestal to the top of Nelson's hat. The 18 foot statue stands on top of a 46 m (151 ft) column built of granite from the Foggintor quarries on Dartmoor.