The Cherhill white horse is 55 metres by 77. It was cut in 1780 and is the creation of Dr Christopher Alsop an eccentric local character known as the “mad doctor”. Aslop directed the construction of his horse by aligning the silhouette on the hill with one of a real horse stationed in the valley below. Instructions were shouted to the workers cutting the design through a megaphone. The doctor had his horse fitted with a glass eye to reflect the light of the sun. In the 200 years that followed the eye was vandalised time and again and has now been replaced by a stone.