De Doorns, 1929. New tunnel at Triangle in Hex River pass.
De Doorns, 1929. Old and new tunnel at Triangle in Hex River pass.
De Doorns, 1929. Old and new tunnel at Triangle in Hex River pass.
De Doorns, 1929. New tunnel at Triangle in Hex River pass.
De Doorns, 1929. New tunnel at Triangle in Hex River pass.
De Doorns. Train emerging from tunnel in the Hex River pass.