Introducing Mame Coumba Bang, a volatile, shapeshifting spirit living among the people of Saint-Louis in Senegal. For many years, she has lived in harmony with the community, protecting them from the dangerous currents - but outsiders who do not pay tribute should beware. In a city that could be described as ‘ground zero’ for climate change, it is the belief of many that the constant flooding, lack of fish stocks and the rapidly eroding coastline are all directly linked to Mame Coumba’s wrath