GitHub - gyowanny/redsand: User authentication API. The "red sand" is a reference to the Red Sands fort also known as Maunsell Army Sea Forts (http://www.ecastles.co.uk/armyforts.html)
Maunsell sea forts. Red sands sea forts Thames estuary. They are now abandoned Stock Photo - Alamy
Red Sands: The Abandoned Estuary Sea Forts From The Second World War | Londonist
Red Sands: The Abandoned Estuary Sea Forts From The Second World War | Londonist