[Travis McGee]

The ladder scaffold appears to be for a movie camera for a closeup.

Was the route somewhere in the background on the vertical face?

[MtnClimber]

Here is the route:

It looks like the ladder is at the top of the prominent step on the ridge on the right side. That is on the descent route.

There is a cog railroad that goes through the Eiger, through the Monch behind it and emerges at the summit of the Jungfrau for tourists to get a view from the top. I am sure there must be some legend behind the names of these three mountains whose names mean The Ogre, The Monk and The Young Girl.

[MtnClimber]

Another view of the route from greater distance: