Krystel Gualdé, Nantes History Museum All images: Memorial to the abolition of slavery, Nantes (Loire-Atlantique) © PHILIPPE PIRON /LVAN In Nantes, there is a place where silence speaks, where footsteps slow, caught by the weight of a long-buried history. A vibrant place, on the riverbank, where memory takes form: the Memorial to the Abolition of …