Massimo@Rainmaker1973An impressive visualization of the vegetation intensity variations in Africa during a solar year http://bit.ly/2BVtCsR [more info about the Normalized Difference Vegetation Index (NDVI) http://go.nasa.gov/2oC0FKn] [data source: http://bit.ly/2owA6XT]GIF1:30 PM · Oct 4, 202122 Retweets4 Quote Tweets145 Likes