Let there be light!

The wall is down. With each bit of the demolition, the back room becomes brighter. Still to come, bigger sliding doors and a skylight.
Meanwhile, here's the current picture...

 Here's where the wall isn't any more. On the left, the end-on view. Above the view from the side.

The new beam will go from here (on the left)...

  ...to here (on top of the nib on the right).

From the back window, looking in...












From the doorway, looking out.