Konrad Wothe / Looking up the roots of a Strangler / Curtain Fig Tree (Ficus virens) rainforest, Curtain Fig Tree NP, Atherton Tablelands, Queensland, Australia, October

Fabrice Cahez / Sunrise breaking though dense woodland canopy. Vosges forest, France, September 2010.

Pete Oxford / Canopy Walkway, 275m long, 36m high rigid walkway, at Sacha Lodge. Napo River bordering Yasuni National Park, Amazon Rainforest Ecuador.

Steve Nicholls / Looking up through the leaves of Wild sarsaparilla (Aralia nudicaulis) in woodland, Cape Cod, Massachusetts, USA, May

Andy Rouse / View from the undergrowth looking up into the canopy of rainforest; prime Gorilla (Gorilla beringei) habitat of the Susa group on the upper slopes of Karisimbi Volcano. Virunga Volcanoes National Park...

Andy Rouse / Portrait of a Mountain Gorilla (Gorilla beringei) with a view over forest canopy. Rwanda, Africa, March.

Peter Cairns / 2020VISION / View up through canopy of Silver birches (Betula pendula) in winter, Insh Marshes, Cairngorms NP, Highlands, Scotland, UK, December. Photographer quote: "Fingers and toes might protest at -15c, but on...

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

Ernie Janes / Beech trees at Felbrigg Great Wood, Norfolk, UK, November 2008

Alex Hyde / Lowland rainforest viewed from canopy platform, Masoala Peninsula National Park, north east Madagascar, October 2009

Steven David Miller / Subtropical rainforest growing in a creek gully, while at higher levels a mixed forest begins. Fraser Island, Queensland, Australia

Tim Laman / Epiphytic orchid (Bulbophyllum medusae) growing in the canopy of the lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia