This is an area North of Haunted Mansion and Tom Sawyer Island on the other side of Floridian way, and just to the west of the Reedy Creek Energy plant.
https://www.google.com/maps/@28.4251514,-81.5833465,70a,35y,270h,39.58t/data=!3m1!1e3
Are they containers of some kind or something? Seem...