Αρσενικό επιστήμονας σε προστατευτικά ενδύματα και γάντια από λάτεξ στέκεται στο Λιβάδι - Φωτογραφίες & Εικόνες Αρχείου

Male research ecologist in protective suit and gas mask picking up garbage, putting into garbage bag in field with biohazard sign. Concept of ecology, environmental pollution and biological hazard.

A man in a white protective overalls on a sandy road. Protective suit against the virus.

Two scientists in protective suits taking water samples from the river

Plant biologist inspecting the leaf of a tree in the mountains.

Contemporary female scientist in protective coveralls, respirator, rubber gloves and boots carrying plastic container against hills and sky

Full length of cosmonaut guitarist with musical instrument standing in hillside meadow with beautiful tree and sky on background. Astronaut in space suit and helmet playing guitar outdoors.