Since it opened in 1966, a flock of around 1,500 pigeons has called the Senator Sid Buckwold Bridge home. Over the last five decades, the city estimates that 348 tonnes of pigeon droppings have accumulated in the crevices and cavities of the 183-metre bridge. They are now going to remove it. Angela Gardiner, GM of transportation and Construction for the City of Saskatoon joins David now to discuss.