The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix

The rocks at the head of the Broadway Bridge along the South Saskatchewan River in Saskatoon have become an informal gallery for people to enjoy. Photo taken August 12, 2013. Richard Marjan / The StarPhoenix