Excess buildings

Do you have any add-ons in your Community folder? If yes, please remove and retest before posting.
No
Are you using Developer Mode or made changes in it?
No
Brief description of the issue:
Near Crail in Scotland is a location called Barnsmuir Farmhouse - there are a large number of poly-tunnels in the fields . There are many many buildings on these tunnels which do not belong.
Provide Screenshot(s)/video(s) of the issue encountered:


Detail steps to reproduce the issue encountered:

PC specs for those who want to assist (if not entered in your profile)

Did you submit this to Zendesk? If so, what is your ticket #?
I will notify Zendesk next.