Moldanubikum sensu strictu

ok, should work: press ctrl and left-click into the PiP (not into the box ;-)), keep ctrl pressed and use cursor left/right to scroll through the PiP - at least using firefox.....

ok, Leon found an easier way: mouse cursor over the PiP, press shift, use scrollwheel up/down to scroll right/left through the PiP.

und natürlich: Heimatsound ;-)))))