"--es wäre beinahe eingestürzt"
by Tom Engel, Karl-Reinhard Seehausen
CastlesConservation and restorationSchloss Biedenkopf (Marburg-Biedenkopf, Germany)
Writing a summary for young readers…
For young readers
Book data: Open Library
by Tom Engel, Karl-Reinhard Seehausen
Book data: Open Library