Import Scenes Without loading assets individually

Hello, I am trying to make a scene with buildings in FBX format. When I try to load one it, it has about 3000 or more individual parts to load. Is there a way to have it be one big chunk? I am using Autodesk Maya for the FBXs.

Apparently, you can import the entire scene like this:

Well, then here’s USD

but them I’m out of options…

It still takes a long time to load and they don’t come in together

Ok. thank you for your help