PPRuNe Forums - View Single Post - Gaining An R.A.F Pilots Brevet In WW II
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Old 27th Jun 2016, 19:42
  #8819 (permalink)  
MPN11
 
Join Date: Mar 2010
Location: Often in Jersey, but mainly in the past.
Age: 79
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I think the R1/R3 bunkers, with concrete walls several feet thick, aren't going to collapse and create 'sink holes' any time soon.
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