Jouan & Rius / Koala (Phascolarctos cinereus) juvenile in tree, Otway National Park, Victoria, Australia

Jouan Rius / Half Dome and Sierra Nevada from Glacier point, Yosemite National Park, California, USA, October 2012.

Jouan Rius / Petrified wood segment, Blue Mesa Badlands, Petrified Forest National Park, Arizona, USA, December 2012.

Jouan Rius / Antelope Canyon, a slot canyon with eroded sandstone patterns, Navajo Tribal Park, Arizona, USA, December 2012.

Jouan Rius / Black oak (Quercus velutina) in autumn, in Yosemite valley, Yosemite National Park, California, USA, December 2012.

Jouan Rius / Gypsum sand dune at sunset, White Sands National Park, Chihuahuan Desert, New Mexico, USA, December 2012.

Jouan & Rius,Jouan Rius / Red Cliffs in Zion Canyon during winter, Zion National Park, Utah, USA December 2012

Jouan Rius / Sandstone formations in Goblin Valley State Park, Utah, USA November 2012

Jouan Rius / Sandstone cliff at sunset, Colorado Plateau, Kodachrome Basin State Park, Utah, USA November 2012

Jouan Rius / Sandstone monoliths, Colorado Plateau, Kodachrome Basin State Park, Utah, USA November 2012

Jouan & Rius,Jouan Rius / Salt pan at Badwater, Death Valley National Park, California, USA November 2012

Jouan & Rius / Two Domestic cats outdoors looking in through window, France

Jouan & Rius / Stream running through rainforest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Two Lanternflies (Purops intricata) on rainforest tree, Borneo, Sarawak, Malaysia

Jouan & Rius / Stick insect (Diesbachia tamyris) female with wings open, rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Shadow of woman examining sheet with insects attracted to light, rainforest, Borneo, Sarawak, Malaysia. Model released

Jouan & Rius / Proboscis monkey (Nasalis larvatus) moving through mangrove forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Tropical rainforest interior with stream, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Nocturnal butterfly in rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Praying mantis defensive display, Similajau NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Ground pitcher plant (Nepenthes ampullaria) flowering in Heath / Kerangas forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Ground pitcher plant (Nepenthes ampullaria) flowering in Heath / Kerangas forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Rafflesia flower (Rafflesia keithii) in Gunung Gading NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Rafflesia flower (Rafflesia keithii) in Gunung Gading NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Cup fungi on decaying wood in rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Fruit and seed in tropical rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Palm leaves (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Palm trees (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / View up through Palm trees in swamp forest, Borneo, Sarawak, Malaysia

Jouan & Rius / Reflections in swamp forest, Gunung Mulu NP, Borneo, Sarawak, Malaysia

Jouan & Rius / View of Pinnacles desert after heavy rainfall, Nambung National Park, Western Australia. August 2009

Jouan & Rius / Close up of Pom Pom flower heads (Cephalipterum drummondii) a species of everlasting flower, which blooms for up to 5 months of the year. Western Australia

Jouan & Rius / Wave rock, an eroded granite plateau, Hyden area, Western Australia. August 2009

Jouan & Rius / Wave rock, an eroded granite plateau, Hyden area, Western Australia. August 2009

Jouan & Rius / Collection of Stromatolites, in shallow water, Hamelin pool, Shark bay, Western Australia. August 2009

Jouan & Rius / Aerial view of Limestone formations in the Pinnacles desert, Nambung National Park, Western Australia. August 2009

Jouan & Rius / Limestone formations in the Pinnacles desert, Nambung National Park, Western Australia. August 2009

Jouan & Rius / Kermit pool in Hancock gorge, Karijini National Park, Pilbara, Western Australia. August 2009

Jouan & Rius / Cascade flowing in Hancock gorge, Karijini National Park, Pilbara, Western Australia. August 2009

Jouan & Rius / Smoke from bush fire in Pilbara region, Western Australia. August 2009

Jouan & Rius / Baobab / Gourd trees (Adansonia gregorii) in grassland / savanna habitat, Kimberley, Western Australia

Jouan & Rius / Limestone formations in the Pinnacles desert, Nambung National park, Western Australia. July 2009

Jouan & Rius / Winter on Tanet, Ballon des Vosges Nature Park, Vosges, Lorraine, France, January 2009

Jouan & Rius / European Silver firs (Abies alba / pectinata) on Hauts Fourneaux, Ballon des Vosges Nature Park, Vosges, Lorraine, France, January 2009

Jouan & Rius / Lac Vert frozen over in winter, Ballons des Vosges Natural Park, Vosges, Lorraine, France, December 2008

Jouan & Rius / Frost covered branches, Ballon des Vosges Nature Park, Haut Rhin, Alsace, France, December 2008

Jouan & Rius / Eurasian lynx (Lynx lynx) walking through snow, captive, Bayerischer Wald / Bavarian Forest National Park, Germany

Jouan & Rius / Dalmatian pelican (Pelecanus crispus) portrait, captive