Donna Auchinvole with Duke and Lorraine Clark with Barron, Clydesdale Horses, attend a topping out ceremony at The Kelpies on November 27, 2013 in Falkirk, Scotland. Construction work has been completed on Andy Scott's Kelpies, the world's largest pair of equine sculptures and one of the UK's tallest pieces of public art. The 30 metre tall Kelpies have cost £5million to complete and play a central role in the £43 million, 350-hectare Helix land transformational project between Falkirk and Grangemouth