it seems, that today's vegetation is much tighter than that of former
times. So there is need to investigate for new shooting locations.
A part of my stimulation to take pictures at the Semmering mountain,
I got from the book Die Semmeringbahn of Harald Navé
and Alfred Luft.
book intensively deals with the final years of steam operation in
the 40s and 50s of last century, but also includes material from
the very early Ghega times. More or less all questions combined
with the Semmering line are answered in this book.
a lot of first class photographs, the authors tell a lot of stories
about the conditions under which photographs were taken at that
time (low speed material, rare colour films, climbing trees for
shots, etc.). Unfortunately
the book is sold out since several years.