Konrad Wothe / Purakaunui Falls and rainforest, Catlins, South Island, New Zealand

Colin Monteath / Limestone boulders in Oparara River stained brown with organic matter, Oparara Basin Arches, Kahurangi National Park, near Karamea, New Zealand

Colin Monteath / Stream stained brown by organic matter with overhanging ferns, Oparara Basin Arches, Kahurangi National Park, Karamea, New Zealand

Stephen Belcher / Dawson Falls, Egmont National Park, Taranaki, New Zealand

Stephen Belcher / Waterfall, Fiordland National Park, New Zealand

Shaun Barnett / Whirinaki River flowing over boulders, Whirinaki River Forest Park, New Zealand

Konrad Wothe / Domestic Sheep (Ovis aries) herd running, New Zealand

Konrad Wothe / Bowen Falls cascading down cliff, Milford Sound, South Island, New Zealand

Konrad Wothe / Close up of cascades of Stirling Falls, Milford Sound, Fjordland National Park, South Island, New Zealand

Konrad Wothe / Purakaunui Falls cascading in tropical rainforest, Catlins, South Island, New Zealand

Colin Monteath / Limestone cliffs and Fox river, Paparoa National Park, New Zealand

Colin Monteath / Ice climber on steep ice in Fox Glacier crevasse near Victoria Falls, Westland National Park, South Island, New Zealand

Konrad Wothe / Domestic Sheep (Ovis aries) herd running, New Zealand