Windows-10-10.0.16299 64 Bits
GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 419.67
Blender 2.80 (sub 53), branch: blender2.7, commit date: 2019-03-31 21:52, hash: rBb936d7b16c62
Open attached file. There are two hidden collections.
Make a copy of the scene using either "Link Object Data" or "Full Copy".
Collections in the newly created scene will be set to visible.