Giant mural in the Las Palmitas neighborhood of Pachuca, Hidalgo state, Mexico (© Omar Torres/Getty Images)(Bing United States)

[20160505] - 'Giant mural in the Las Palmitas neighborhood of Pachuca, Hidalgo state, Mexico (© Omar Torres/Getty Images)(Bing United States)'

Young chacma baboon in Moremi Game Reserve, Okavango Delta, Botswana (© Chris Schmid/Aurora Photos/Offset)(Bing United States)

[20160504] - 'Young chacma baboon in Moremi Game Reserve, Okavango Delta, Botswana (© Chris Schmid/Aurora Photos/Offset)(Bing United States)'

Hot springs on Mount Roraima, Venezuela (© Waldyr Neto/Getty Images)(Bing United States)

[20160503] - 'Hot springs on Mount Roraima, Venezuela (© Waldyr Neto/Getty Images)(Bing United States)'

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

[20160502] - 'Anechoic chamber, Copenhagen, Denmark (© Alastair Philip Wiper/Science Photo Library)(Bing United States)'

Plumeria flowers in Hawaii (© Darrell Gulin/Getty Images)(Bing United States)

[20160501] - 'Plumeria flowers in Hawaii (© Darrell Gulin/Getty Images)(Bing United States)'

Guadalupe Mountains National Park, Texas (© Viktor Posnov/Getty Images)(Bing United States)

[20160430] - 'Guadalupe Mountains National Park, Texas (© Viktor Posnov/Getty Images)(Bing United States)'

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

[20160429] - 'Oak tree canopy in Roudsea Wood, Cumbria, England (© Chris Mattison/Minden Pictures)(Bing United States)'

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

[20160428] - 'Prairie smoke blossoms (© Jim Brandenburg/Minden Pictures)(Bing United States)'

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