Anechoic chamber, Copenhagen, Denmark (© Alastair Philip Wiper/Science Photo Library)(Bing United Kingdom)

[20160501] - 'Anechoic chamber, Copenhagen, Denmark (© Alastair Philip Wiper/Science Photo Library)(Bing United Kingdom)'

Prairie smoke blossoms (© Jim Brandenburg/Minden Pictures)(Bing United Kingdom)

[20160430] - 'Prairie smoke blossoms (© Jim Brandenburg/Minden Pictures)(Bing United Kingdom)'

Cirrus clouds over Guadalupe Mountains National Park, Texas (© Viktor Posnov/Getty Images)(Bing United Kingdom)

[20160429] - 'Cirrus clouds over Guadalupe Mountains National Park, Texas (© Viktor Posnov/Getty Images)(Bing United Kingdom)'

Oak tree canopy in Roudsea Wood, Cumbria (© Chris Mattison/Minden Pictures)(Bing United Kingdom)

[20160428] - 'Oak tree canopy in Roudsea Wood, Cumbria (© Chris Mattison/Minden Pictures)(Bing United Kingdom)'

A view of the distant hills from

[20160427] - 'A view of the distant hills from 'Atom' above Wycoller village (© David McCulloch/Alamy)(Bing United Kingdom)'

Common kestrel hunting for rodents (© Bertie Gregory/Corbis)(Bing United Kingdom)

[20160426] - 'Common kestrel hunting for rodents (© Bertie Gregory/Corbis)(Bing United Kingdom)'

Sunlight reflecting on rice paddy terraces, Yuanyang County, China (© Eastphoto/age fotostock)(Bing United Kingdom)

[20160425] - 'Sunlight reflecting on rice paddy terraces, Yuanyang County, China (© Eastphoto/age fotostock)(Bing United Kingdom)'

Oasis town of Taghit, Algeria (© George Steinmetz/Corbis)(Bing United Kingdom)

[20160424] - 'Oasis town of Taghit, Algeria (© George Steinmetz/Corbis)(Bing United Kingdom)'

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