Africa, Northern, Dust - analysis, Metagenomics, Wind, Public Health, Air Microbiology, Biodiversity, Bacteria - genetics, Microbial Consortia, Bacteria - isolation & purification, Global Warming, Microbiota, Climate Change, Silicon Dioxide, Ecosystem, Bacteria - classification, Italy, Bacteria - pathogenicity, Seasons, Desert Climate, Epidemics, Snow, Altit...