Why is it lagging, please help

My rhino file is extremely slow and I cant move without it taking a at least 15 seconds to process.
I believe it is because of the glass panels and the detailing (see img below). What should I do with these panels so rhino is not lagging so much?

Try with the “dinamic display” , it reduces the representation of each object to its boundary boxes while paning or zooming the camera:

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Thank you! Will try!