A person displays a test tube next to running water.
A person holds a tube and then zips up their jacket and walks off.
A man is walking in a river while showing the person with the camera a vial he just filled with water.
A man has a vial of water and puts it in his jacket in a forest.
At the edge of the stream's  rushing waters, young man  shows his friend a test tube with a specimen inside, then zips up his jacket and heads to the water
The man shows a tube of water that he has collected from the creek.
A man wearing a blue windbreaker stands in rushing water and shows a test tube full of the water.
A young man, standing by a rushing stream, accepts a plastic tube from another male.
A man buttons up his blue jacket while holding a glass tube of liquid.
a person is taking a sample of water from the river