restore-spsite

How can I import a Site Collection to another host?

I am trying to export the content from a staging server and import it into a development machine. I've tried to do this with Backup-SPSite -Identity http://staging -Path c:/export.bin on staging and Restore-SPSite -Identity http://devmachine -Path c:/export.bin -Force on development, but after I do this, some assets (e.g. images in webp...