Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (2)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (3)
Prof. Mortel:
Durnstein in the Wachau Valley, Austria (2)
Prof. Mortel:
Durnstein in the Wachau Valley, Austria (3)
Prof. Mortel:
Durnstein in the Wachau Valley, Austria (4)
Prof. Mortel:
Durnstein in the Wachau Valley, Austria (5)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (4)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (5)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (6)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (7)
Prof. Mortel:
Durnstein in the Wachau Valley, Austria (1)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (8)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (9)
Prof. Mortel:
Danube River near Durnstein, Wachau Valley, Austria (1)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (2)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (3)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (4)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (5)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (6)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (7)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (8)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (9)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (10)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (11)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (12)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (13)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (14)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (15)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (16)
Prof. Mortel:
Durnstein, Wachau Valley, Austria (17)
