File:GLOBAL URBAN CONDITIONING AND DEPURATION (GUECD) UNKNOWN AT WORLD HEALTH CLASSES.jpg
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Size of this preview: 327 × 598 pixels. Other resolutions: 131 × 240 pixels | 262 × 480 pixels | 420 × 768 pixels | 560 × 1,024 pixels | 1,524 × 2,788 pixels.
Original file (1,524 × 2,788 pixels, file size: 1.2 MB, MIME type: image/jpeg)