Missing model

Help! I was working on an interior design model and when I clicked on zoom extents my model disappeared and has not come back. I have made sure that there is no hidden geometry, etc. Can anyone help?LIZ_LAKE.skp (7.8 MB)

3D model: lizLa-SU17.skp (3.9 MB)

And yet you have hidden geometry and hidden layers.

Start here and learn how to use Groups and Layers (Tags): https://learn.sketchup.com/track/sketchup-fundamentals-part-1

Thank you!! I am very much an amateur. Very much appreciate your help.