Learn all about the Blue Mountain Quarry in this fun song! Visit the Official Thomas & Friends UK YouTube Channel at .\r<br>\r<br>Follow on Twitter @melshiri: Visit Roll Along Thomas creators YouTube: Roll Along Thomas: The .\r<br>\r<br>Learn about the Blue Mountain Quarry and the mysterious engines who work there with Thomas & Friends! Find more sing alongs with your favorite engine .\r<br>\r<br>This movie is about the Blue Mountain quarry where narrow gauge locomotives work hard thomas meets a locomotive with a secret: he has a locomotive in the .
