Recreation and Cultural Buildings, Berlin-Tiergarten, 1929-1930: Tunnel: plan and section, 1:1000,1:100

Photomechanical print with wash on paper

Photomechanical print in red and black inks on white paper

Photomechanical print in black ink on off-white card, dry collage

Photomechanical print with wash, graphite and crayon on paper

Photomechanical print

Photomechanical print with wash and gouache on paper

Photomechanical print in orange and black inks on paper

Photomechanical print with wash on paper

Photomechanical print with colored pencil on paper

Photomechanical print in black ink on off-white card and sugar in plastic sleeve