When we 1st hit this treasure chest we suspected it was a holding tank for a museum !

Legend (Bram) has it - It's 1 of 2 or 3 more all full like this with a crazy collection in each... The location of the others are unkown, but it's belived that they are all owned by one person and are private collections....

 

Or these vehicles are owned by museums and are kept here until such a time they are put on show or restored....

 

Who knows ?