Sadness. Portrait of a man with his face in his hands in a sad and depressed mood.

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Size: 3717px × 4964px
Photo credit: © OSCAR BURRIEL/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alga, algae, algal, animal, aquatic, biological, biology, botanical, botany, cilia, ciliate, ciliated, colpoda, contrast, cut, cut-, cut-outs, cutout, cutouts, differential, fauna, feeding, flora, freshwater, green, haematococcus, hematococcus, interference, life, light, microbiological, microbiology, micrograph, microscope, motile, nature, outs, plant, pluvialis, pond, protazoon, protist, protozoa, protozoan, sp, unicellular, zoological, zoology