An email from Dad, January 6, 2010.  Just before I left on tour for Europe with Kurt Smeaton. Dad’s interest in the world, industry, and science was inspiring.
subject: salt mines
salt mine with chandellierred ballroom in Grand Hall is wieliczka salt mine in bochnia poland with chapel, undergound lakes for rowing and concert hall for acoustics used by royal family since 1830s and salt mine band still plays down there i think you can still tour both wieliczka and the salzburg area salt mines which have been used as tourist attractions for hundreds of yearsdurnberg salzburg is the one with the wooden slides and also has underground lakes, etc

I’ll have to make a trip.  The Mongolia.