<br /> <p>Sydney’s Circular Quay was blanketed in thick smoke after a building site went up in flames on the morning of Tuesday, February 13.</p><p>The Daily Telegraph reported</a> 13 fire crews were sent to contain the blaze and all workers on the site had been evacuated.</p><p>The building is on the corner of Pitt Street and Alfred Street, and the area is a main thoroughfare for tourists and city workers. Credit: Gordon Bush via Storyful</p><br />