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The Rio Tinto river flows through south western Spain into the Gulf of Cadiz. NASA scientists have recently compared it to possible conditions in subterranean Mars. It is also possible that extremophile aerobic bacteria are able to produce the highly acid levels of pH2 in the river

River with crystal clear water in Bonito in Mato Grosso do Sul, Brazil

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

Beautiful turquoise and cristaline lagoon in Yucatàn Mexico

$Blue Pond is a tourist destination in Hokkaido.\nIt was bluer than I expected.$

Clear wetlands natural swamp area with hot springs known as Emerald Pool located in Klong Thom, Krabi province, Thailand.

Cornino Lake near Udine Italy is a Cristal Clear Blue Colour Lake near Gemona Del Friuli and it is in a protected natural area.

Omega-3 fatty acids, docosahexaenoic acid (DHA) molecule with oil background 3d rendering

Water (Molecular formula: H2O) is a clear, odorless, tasteless liquid that is essential for most animal and plant life. Chemical structure model: Ball and Stick. 3D illustration.

Aerial view of The Pools of Immortals, natural pools near Jiuzhaigou National Park in Sichuan province, China

γ-Aminobutyric acid, a chief inhibitory neurotransmitter in the mammalian central nervous system, white background

Florida Springs - POV Kayak - Florida Freshwater River Springs

$Crystal clear water at a small pond hidden in the wilderness of the Plitvice Lakes National Park.\nPlitvička Jezera, Croatia - June 25th 2019 - Official photography permission obtained by the Plitvice Lakes National Park and available on request.$

lagoon with white sand on the island of Siquijor, Philippines

Scenic view of multi coloured waters, tropical forest and mystical table top mountain in background at Canaima National Park, Bolivar State, Venezuela.

beautiful blue lake view in the morning with reflection of a row of tropical forests above the water surface, Tin Mining Area in Bangka Belitung Island

Crystal clear waters of Juniper Spring is reflected against a lush forest canopy of ferns and oaks.

Waterfalls, landscapes and curiosities of São Thome das Letras - MG

Blue Eye Albania, Natural Spring, Valbone, Theth, Thethi, Europe

Emerald lake Blue pool Krabi Thailand mangrove forest Krabi Thailand.

colorful nature of Sithonia, bottom of the sea

Structural chemical formula and molecular structure of hydrogen peroxide(H2O2). Chemical structure model: Ball and Stick. 3D illustration.

Dhalkut / Dhalkoot / Dhalqut, Dhofar Governorate, Oman: Wadi Sayq Pool near Road 47, a favourite place for hiking and picnics - the Dhofar region in Oman and Hawf region in Yemen is a Tentative Unesco world heritage site, the region is described as a center of plant diversity, and as a 'fog oasis' in the Arabian Peninsula which is predominantly arid.

$Proline (symbol Pro or P) is an organic acid classed as a proteinogenic amino acid (used in the biosynthesis of proteins), although it does not contain the amino group -NH\n2 but is rather a secondary amine. 3D ball-and-stick model, white background$

Beauty in nature: grass growing in a wetland with shades of blue, brown and maroon in the water.

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