see
url:https://www.google.com/maps/uv?hl=en&pb=!1s0x4876551584f2574f%3A0xb54be11f4711eaf8!3m1!7e115!4s%2Fmaps%2Fplace%2Fhuts%2Bat%2Bbletchley%2Bpark%2F%4051.9970835%2C-0.7422944%2C3a%2C75y%2C17.95h%2C90t%2Fdata%3D*213m4*211e1*213m2*211sVzyfe3C7Y7PScA2DVNoLfQ*212e0*214m2*213m1*211s0x4876551584f2574f%3A0xb54be11f4711eaf8%3Fsa%3DX!5shuts%20at%20bletchley%20park%20-%20Google%20Search!15sCgIgAQ&imagekey=!1e10!2sAF1QipNbqsj0yrDVIUrx3cPH3ymZfytxjTYNGshh7ttI&sa=X&ved=2ahUKEwjU46q9x4frAhX4SRUIHUOAB9gQpx8wEnoECBAQCw
Had a makeover a few years ago...when Microsoft generously donated a
million quid for its update...