The Jonglei Canal Excavation-Silt Hardening
18 Mars 3min
The Bahr el Ghazal Clay-Cracking Extraction
18 Mars 3min
The Sudd Swamp Methane-Saturation
18 Mars 2min
The Limpopo River Sand-Bed Sucking-Stasis
18 Mars 3min
The Orange River Alluvial-Diamond Gravel-Scour
18 Mars 3min
The Okavango Delta Termite-Island Calcification
18 Mars 3min
The Blue Nile Silt-Abrasion Modeling
18 Mars 2min
The Lagos Market-Floor Crushing
18 Mars 3min
