man collecting water sample river for environmental testing outdoors nature study |
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| navigate by keyword : activity blue body calm casual clean clothing collecting conservation ecology environment environmental equipment exploration fieldwork forest freshwater grass green habitat healthy investigation lake landscape man natural nature outdoor outdoors person quality research resource river safety sample science scientist standing study summer testing trees vector water |
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| Man collects water sample from river surrounded by trees and grass, engaging in environmental fieldwork with focus and care, peaceful mood. Generative AI |
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