Passers-by stop to look at a flock of Exmoor Horn sheep, in Savile Row, London, Britain October 5, 2015. The Campaign for Wool marked the beginning of Britain's national Wool Week on Monday, on one of London's most renowned streets. (Photo by Peter Nicholls/Reuters)





A flock of Exmoor Horn sheep are penned in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





A flock of Exmoor Horn sheep are penned in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





Shepherd Ben Blackmore stands with his flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





Shepherd Ben Blackmore (L) stands with his flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





A man walks past a flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





A flock of Exmoor Horn sheep are penned in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)





Shepherd Ben Blackmore stands with his sheep dog and flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. (Photo by Peter Nicholls/Reuters)