The 100 m false-colour PROBA-V image of 12 September 2017 shows us a mix of wadi, agriculture patterns, alluvial fans, around Chott Melghir (upper center) and Chott Felrhir (lower center), 2 endorheic salt lakes in northeastern Algeria. It lies almost entirely below the sea level and contains the lowest point in Algeria, −40 meters. The shallow waters of the lake contain scarce vegetation composed of 72 species of plants which have adapted to salty water, such as Parish's glasswort, sea lavender, rushes, glasswort, etc. Some species are unique for Algeria and 14 are endemic.