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The rain and snow that fall on the mountains and forests are naturally filtered by the strata as the water dissolves into the soil. And when it reaches a stratum that is difficult for water to pass through, it gushes out as groundwater. This natural groundwater is called spring water.
Detail of little clean creek structure texture
limestone waterfall on Plitnicke Lakes. Travel around Europe
Reeds plant reflected in the water and green leafy underwater plants in the river.
String Algae, ludwigia  and duckweed, weaving in the flow of water in the swamp, Loop Road, Big Cypress National Preserve, Florida
Flowing water and green grass
Stone in the river
Full frame abstract macro of emerald green foliage reflected in moving water. Green shading and soft water texture shimmers and shows movement and softness with copy space.
Clear stream, baikamo in the water, Shimizu River, early July
Falling water in a small creek, which flows down strongly in daylight
Green algae floating in the river covered stones. Natural background
Springtime color reflection in Little Pigeon River, Great Smoky Mountains National Park, USA
Aquatic plants
Greenery in Inverness park by the water
Yellow-green surface of flowing water close up background
The Lunzer See, a lake in Lower Austria, is one of the coldest lakes in Austria. Nestled on the foot of Duerrenstein Mountain is the lake well known for hiking in the area.
Green algae background close up view
Water plants in the river
The flow of a river overgrown with aquatic plants.
Didymosphenia geminata more commonly known as Didymo or 'rock snot', an invasive freshwater algae, is a species of diatom that produces nuisance growths in freshwater rivers and streams with consistently cold water temperatures. Didymo is currently a huge biodiversity issue in New Zealand's South Island's cleanest water.
Ceratophyllum demersum aquatic plant in a stream.
Western USA Grand Mesa National Forest Mountain Stream for Fishing and Delivering Water for Agriculture Photo Series
Green plant protruding into moving water with light reflections
photo of clean, flowing water. green grass in the water in nature.
water
small stones under water with algae
fresh green plants covered stone near mountain stream
Green grass under the clear water , Plant in the creek flowing
moss valley
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