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Ozone layer depletion diagram. Earth’s sunscreen, shielding us from the sun’s harmful ultraviolet rays. UV A, B, C. UVA, UVB, UVC. World block. Vector. illustration
Children study nature. Outdoor lessons. Kids learn world. Curious boys and girls. Young naturalists observe phenomena. Teenagers planting trees and exploring animals
Government satellite CCTV system in empty monitoring room with traffic surveillance via video footage. Public safety on the highways ensured by the national security department offices.
Space, earth and satellite in orbit for communication, surveillance and global research. Aerospace, engineering and spacecraft for data transmission, tracking and navigation for planet observation.
little kid use binocular to see bird fly

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