Dr. Gertrud Neumann-Denzau / Urial (Ovis orientalis arkal) herd standing on rocks, Touran Protected Area, now part of Khar Turan National Park, Semnan Province, Iran

Gertrud & Helmut Denzau / Domestic Bactrian camels {Camelus bactrianus}, one shedding winter coat, Mongolia.

Gertrud & Helmut Denzau / Family group portrait outside their yurt (home), Gobi Desert, Mongolia.

Gertrud & Helmut Denzau / Snow leopard furs (confiscated) used as decoration inside yurt (tent), Gobi Desert, Mongolia.

Gertrud & Helmut Denzau / Mongolian family on motorbike, Gobi Desert, Mongolia.

Gertrud & Helmut Denzau / Long tailed tailorbird {Orthotomus sutorius} male takes material to line nest inside leaf that it has stitched together, India

Gertrud & Helmut Denzau / Przewalski Horse {Equus ferus przewalski} reintroduced to Mongolia steppe, Hustain Nuruu

Gertrud & Helmut Denzau / Portrait of Himalayan pika {Ochotona genus} on top of rock, Ladakh, India

Gertrud & Helmut Denzau / Central asian cobra {Naja oxiana} with head raised, Turkmenistan

Gertrud & Helmut Denzau / Herd of Goitered gazelle, Gobi Desert, Mongolia

Gertrud & Helmut Denzau / Himalayan marmot {Marmota bobak himalayana} at entrance to burrow, Ladakh, India

Gertrud & Helmut Denzau / Side profile of adult & foal Khur (Asiatic wild ass) {Equus hermionus khur}, India