Images Dated 8th October 2011

A worker fills gunpowder mixture in small paper rolls to make firecrackers at a factory

A worker fills gunpowder mixture in small paper rolls to make firecrackers at a factory for the upcoming Diwali festival, on the outskirts of the western Indian city of Ahmedabad October 8, 2011. Firecrackers are in great demand ahead of Diwali, the Hindu festival of lights, which will be celebrated across the country on October 26. REUTERS/Amit Dave (INDIA - Tags: RELIGION BUSINESS EMPLOYMENT SOCIETY)

An band of yellow ochre in a pit at the Granites

An band of yellow ochre in a pit at the Granites. Aboriginal people used ochre for ceremonial body painting and rituals and to paint artifacts and message diagrams, using different coloured pigments: some ochre is heated up, colour varying with temperature. Once prepared, the ochre was mixed with a binder such as garliwun (tree resin), bush honey, egg yolks or kangaroo blood. The artist was then ready to begin painting. Mount Magnet, Northern Goldfields, Western Australia

Living Color sinter terraces, coloured by thermophilic bacteria, Lower Terraces Area, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA

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