Hole

Man standing in large hole 70 cm (2.5 foot) wide that was knocked through roof after 1945 (photo: 1997)

Partly collapsed roof of alleged gas chamber (photo: 1997)

Collapsed cement roof with one visible hole
Left hole with bent reinforcing rods
Another view showing the jagged edges of the same hole
Right hole crudely broken through cement roof
Inside the morgue looking towards the end brick wall
Wide holes were knocked in the roof
All posts are solid, not hollow
Evidence there were no vent holes (Title Page)