Patricio Robles Gil / Accumulated rainwater on a Mafafa leaf in El Cielo Biosphere Reserve in the mountains of the Sierra Madre Oriental, Tamaulipas, northeast Mexico

Ashley Cooper / Plastic rubbish washed up on Nantandola Beach, Fiji, March 2007.

Tony Wu / Rubbish including many plastic bottles accumulated on island. Rock Islands of Palau. Palau, Caroline Islands, Philippine Sea, Pacific Ocean. December 2013.

Willem Kolvoort / Carp food (including sweetcorn) accumulated on bed of fishing lake because of overfeeding , the Netherlands, April.

Piotr Naskrecki / Dragonfly nymph living in water accumulated between leaves, Papua New Guinea

Albert Lleal / Ice accumulated on the side of a sign post on the summit of Pico Puigmal, Pyrenees, Spain

Mark Moffett / Ant (Diacamma sp) drinking early morning dew which has accumulated on a feather collected and placed at nest entrance, an example of tool use, arid desert region of Bangalore, India

Norbert Wu / Motu or reef island, formed of accumulated sand and debris on the Belize Barrier Reef

Tony Wu / Frequent and repeated defecation by Siberian flying squirrel (Pteromys volans orii) in favored locations results in accumulated droppings. As winter snow melts, embedded droppings dissolve, dripping d...

Tony Wu / Siberian flying squirrel (Pteromys volans orii) emerging from hideaway at base of tree after digging itself out after accumulated snowfall. Hokkaido, Japan. March.

Jiri Lochman / Burning Peat Swamp - an area accidentally burnt in a prescribed burn program. Peat swamps burn extremely slowly over several months after the bushfire in surrounding areas has been extinguished. As th...

Jiri Lochman / Burning Peat Swamp - an area accidentally burnt in a prescribed burn program. Peat swamps burn extremely slowly over several months after the bushfire in surrounding areas has been extinguished. As th...

Jiri Lochman / Burning Peat Swamp - an area accidentally burnt in a prescribed burn program. Peat swamps burn extremely slowly over several months after the bushfire in surrounding areas has been extinguished. As th...