Paul D Stewart / Aerial view of Grand Prismatic thermal spring in Yellowstone National Park, USA. The bright colours are natural, coming from thermophile bacteria in the water. People can be seen walking on the raised...
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Anup Shah / Leopard cub playing with mother {Panthera pardus} Masai Mara, Kenya
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David Woodfall / Salt marsh channel at high tide with Talacre lighthouse in the background. Gronant Local Reserve, Denbighshire, Wales, UK, July 2018.
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Nick Upton / Common sea lavender (Limonium vulgare) flowering on a saltmarsh, RSPB Arne, Dorset, July.
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Nick Upton / Common sea lavender (Limonium vulgare) flowering beside a saltmarsh creek, RSPB Arne, Dorset, July.
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Nick Upton / Common sea lavender (Limonium vulgare) flowering beside a saltmarsh creek bank, RSPB Arne, Dorset, July.
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Nick Upton / Common sea lavender (Limonium vulgare) flowering beside a saltmarsh creek bank, RSPB Arne, Dorset, July.
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Nick Upton / English scurvy-grass / Long-leaved scurvy grass (Cochlearia anglica) flowering on saltmarsh beside a tidal creek, Camel estuary, Wadebridge, Cornwall, UK, April.
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Nick Upton / English scurvy-grass / Long-leaved scurvy grass (Cochlearia anglica) flowering on saltmarsh beside a tidal creek, Camel estuary, Wadebridge, Cornwall, UK, April.
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Nick Upton / English scurvy-grass / Long-leaved scurvy grass (Cochlearia anglica) flowering on saltmarsh beside a tidal creek, Camel estuary, Wadebridge, Cornwall, UK, April.
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Nick Upton / English scurvy-grass / Long-leaved scurvy grass (Cochlearia anglica) flowering on saltmarsh beside a tidal creek, Camel estuary, Wadebridge, Cornwall, UK, April.
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Nick Upton / English scurvy-grass / Long-leaved scurvy grass (Cochlearia anglica) flowering on saltmarsh beside a tidal creek, Camel estuary, Wadebridge, Cornwall, UK, April.