The Huruma, Dandora-Kariobangi roundabout on Outering Road, Nairobi, hosts an assortment of inorganic salts and organic compounds, including proteins, hormones, and a wide range of metabolites, varying by what is introduced into the body.
How and why? you ask. Simple. When pressed commuters cannot hold it anymore, bladders are emptied there, the alternative being to wet themselves in public.