CCTV footage shows the moment a waitress falls through a glass door with no glass in it. A robber smashed the glass door the night before and the Canberra coffee shop was waiting for someone to fix it.The waitress forgot the glass was not in the door and tried to open the door by walking backwards into and then fell through it.Guessing she need to make new coffees for the customers .....Credit: Niugini Arabica Cafe / licensing@viralhog.com