A excursion in the real "underground's" it is very probable in the nearby "Podbaredine cave". The alternative can be the visit of the _remnants_
of the 19. century world famous "K und K Krigsmarine Pola Sternwarte", the Austro-Ungarian Naval Observatory in the city of Pula (ironed during the W.W.II by US bombers). From that observatory Johan Palisa started his exceptional, all 19record breaking, work on asteroid.
Image 3.) The 19 century photo of the Pola (Pula) observatory MPC #538 |